BE848427A - Procede d'encapsulation d'une matiere biologique labile - Google Patents
Procede d'encapsulation d'une matiere biologique labileInfo
- Publication number
- BE848427A BE848427A BE172434A BE172434A BE848427A BE 848427 A BE848427 A BE 848427A BE 172434 A BE172434 A BE 172434A BE 172434 A BE172434 A BE 172434A BE 848427 A BE848427 A BE 848427A
- Authority
- BE
- Belgium
- Prior art keywords
- encapsulating
- biological material
- labile biological
- labile
- biological
- Prior art date
Links
- 239000012620 biological material Substances 0.000 title 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D67/00—Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
- B01D67/0002—Organic membrane manufacture
- B01D67/0006—Organic membrane manufacture by chemical reactions
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K38/00—Medicinal preparations containing peptides
- A61K38/16—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof
- A61K38/41—Porphyrin- or corrin-ring-containing peptides
- A61K38/42—Haemoglobins; Myoglobins
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K38/00—Medicinal preparations containing peptides
- A61K38/16—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof
- A61K38/43—Enzymes; Proenzymes; Derivatives thereof
- A61K38/44—Oxidoreductases (1)
- A61K38/443—Oxidoreductases (1) acting on CH-OH groups as donors, e.g. glucose oxidase, lactate dehydrogenase (1.1)
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K38/00—Medicinal preparations containing peptides
- A61K38/16—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof
- A61K38/43—Enzymes; Proenzymes; Derivatives thereof
- A61K38/45—Transferases (2)
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K38/00—Medicinal preparations containing peptides
- A61K38/16—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof
- A61K38/43—Enzymes; Proenzymes; Derivatives thereof
- A61K38/46—Hydrolases (3)
- A61K38/47—Hydrolases (3) acting on glycosyl compounds (3.2), e.g. cellulases, lactases
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K38/00—Medicinal preparations containing peptides
- A61K38/16—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof
- A61K38/43—Enzymes; Proenzymes; Derivatives thereof
- A61K38/46—Hydrolases (3)
- A61K38/50—Hydrolases (3) acting on carbon-nitrogen bonds, other than peptide bonds (3.5), e.g. asparaginase
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K9/00—Medicinal preparations characterised by special physical form
- A61K9/48—Preparations in capsules, e.g. of gelatin, of chocolate
- A61K9/50—Microcapsules having a gas, liquid or semi-solid filling; Solid microparticles or pellets surrounded by a distinct coating layer, e.g. coated microspheres, coated drug crystals
- A61K9/5005—Wall or coating material
- A61K9/5021—Organic macromolecular compounds
- A61K9/5031—Organic macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polyethylene glycol, poly(lactide-co-glycolide)
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K9/00—Medicinal preparations characterised by special physical form
- A61K9/48—Preparations in capsules, e.g. of gelatin, of chocolate
- A61K9/50—Microcapsules having a gas, liquid or semi-solid filling; Solid microparticles or pellets surrounded by a distinct coating layer, e.g. coated microspheres, coated drug crystals
- A61K9/5089—Processes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D67/00—Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
- B01D67/0081—After-treatment of organic or inorganic membranes
- B01D67/0088—Physical treatment with compounds, e.g. swelling, coating or impregnation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
- B01D69/02—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor characterised by their properties
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
- B01D69/14—Dynamic membranes
- B01D69/141—Heterogeneous membranes, e.g. containing dispersed material; Mixed matrix membranes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J13/00—Colloid chemistry, e.g. the production of colloidal materials or their solutions, not otherwise provided for; Making microcapsules or microballoons
- B01J13/02—Making microcapsules or microballoons
- B01J13/06—Making microcapsules or microballoons by phase separation
- B01J13/14—Polymerisation; cross-linking
- B01J13/16—Interfacial polymerisation
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G69/00—Macromolecular compounds obtained by reactions forming a carboxylic amide link in the main chain of the macromolecule
- C08G69/02—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids
- C08G69/26—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids derived from polyamines and polycarboxylic acids
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G69/00—Macromolecular compounds obtained by reactions forming a carboxylic amide link in the main chain of the macromolecule
- C08G69/02—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids
- C08G69/26—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids derived from polyamines and polycarboxylic acids
- C08G69/28—Preparatory processes
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12N—MICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
- C12N11/00—Carrier-bound or immobilised enzymes; Carrier-bound or immobilised microbial cells; Preparation thereof
- C12N11/02—Enzymes or microbial cells immobilised on or in an organic carrier
- C12N11/04—Enzymes or microbial cells immobilised on or in an organic carrier entrapped within the carrier, e.g. gel or hollow fibres
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
- Y10T428/2982—Particulate matter [e.g., sphere, flake, etc.]
- Y10T428/2989—Microcapsule with solid core [includes liposome]
Landscapes
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Medicinal Chemistry (AREA)
- General Health & Medical Sciences (AREA)
- Veterinary Medicine (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Pharmacology & Pharmacy (AREA)
- Public Health (AREA)
- Epidemiology (AREA)
- Animal Behavior & Ethology (AREA)
- Organic Chemistry (AREA)
- Immunology (AREA)
- Proteomics, Peptides & Aminoacids (AREA)
- Gastroenterology & Hepatology (AREA)
- Dispersion Chemistry (AREA)
- Polymers & Plastics (AREA)
- Manufacturing & Machinery (AREA)
- Zoology (AREA)
- Wood Science & Technology (AREA)
- Genetics & Genomics (AREA)
- Microbiology (AREA)
- Biotechnology (AREA)
- Biomedical Technology (AREA)
- Biochemistry (AREA)
- General Engineering & Computer Science (AREA)
- Inorganic Chemistry (AREA)
- Manufacturing Of Micro-Capsules (AREA)
- Medicinal Preparation (AREA)
- Medicines That Contain Protein Lipid Enzymes And Other Medicines (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/606,166 US4324683A (en) | 1975-08-20 | 1975-08-20 | Encapsulation of labile biological material |
Publications (1)
Publication Number | Publication Date |
---|---|
BE848427A true BE848427A (fr) | 1977-05-17 |
Family
ID=24426842
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE172434A BE848427A (fr) | 1975-08-20 | 1976-11-17 | Procede d'encapsulation d'une matiere biologique labile |
Country Status (11)
Country | Link |
---|---|
US (1) | US4324683A (fr) |
JP (1) | JPS5352616A (fr) |
AT (1) | AT359977B (fr) |
AU (1) | AU505888B2 (fr) |
BE (1) | BE848427A (fr) |
CA (1) | CA1075179A (fr) |
CH (1) | CH628823A5 (fr) |
DE (1) | DE2645730A1 (fr) |
LU (1) | LU76237A1 (fr) |
NL (1) | NL7612592A (fr) |
SE (1) | SE426245B (fr) |
Families Citing this family (77)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4352883A (en) * | 1979-03-28 | 1982-10-05 | Damon Corporation | Encapsulation of biological material |
US4349530A (en) * | 1980-12-11 | 1982-09-14 | The Ohio State University | Implants, microbeads, microcapsules, preparation thereof and method of administering a biologically-active substance to an animal |
NO163060C (no) * | 1981-03-13 | 1990-03-28 | Damon Biotech Inc | Fremgangsmaate for fremstilling av substanser som dannes av levende celler som produserer interferoner eller antistoffer. |
US4798786A (en) * | 1982-05-06 | 1989-01-17 | Stolle Research And Development Corporation | Living cells encapsulated in crosslinked protein |
US4690682A (en) * | 1983-04-15 | 1987-09-01 | Damon Biotech, Inc. | Sustained release |
US4789516A (en) * | 1983-04-15 | 1988-12-06 | Damon Biotech, Inc | Production of sustained released system |
US4803168A (en) * | 1983-09-01 | 1989-02-07 | Damon Biotech, Inc. | Microencapsulation with polymers |
US4518547A (en) * | 1983-09-15 | 1985-05-21 | Board Of Regents, The University Of Texas System | Microencapsulation process |
US4778749A (en) * | 1984-06-01 | 1988-10-18 | Karyon Technology, Inc. | Tissue culture and production in permeable gels |
FR2565102B1 (fr) * | 1984-06-05 | 1987-03-20 | Paris Sud Universite | Microcapsules biodegradables a base de serumalbumine, leur preparation et leur application a la liberation in situ de medicuments |
IE58110B1 (en) * | 1984-10-30 | 1993-07-14 | Elan Corp Plc | Controlled release powder and process for its preparation |
US4622294A (en) * | 1985-02-08 | 1986-11-11 | Kung Viola T | Liposome immunoassay reagent and method |
US4683092A (en) * | 1985-07-03 | 1987-07-28 | Damon Biotech, Inc. | Capsule loading technique |
US4690825A (en) * | 1985-10-04 | 1987-09-01 | Advanced Polymer Systems, Inc. | Method for delivering an active ingredient by controlled time release utilizing a novel delivery vehicle which can be prepared by a process utilizing the active ingredient as a porogen |
US5145675A (en) * | 1986-03-31 | 1992-09-08 | Advanced Polymer Systems, Inc. | Two step method for preparation of controlled release formulations |
US4933185A (en) * | 1986-09-24 | 1990-06-12 | Massachusetts Institute Of Technology | System for controlled release of biologically active compounds |
US4797234A (en) * | 1987-06-19 | 1989-01-10 | Temple University | Production of sustained release composition from salt-form reactants |
US5093198A (en) * | 1987-06-19 | 1992-03-03 | Temple University | Adjuvant-enhanced sustained release composition and method for making |
US5427935A (en) * | 1987-07-24 | 1995-06-27 | The Regents Of The University Of Michigan | Hybrid membrane bead and process for encapsulating materials in semi-permeable hybrid membranes |
US5418154A (en) * | 1987-11-17 | 1995-05-23 | Brown University Research Foundation | Method of preparing elongated seamless capsules containing biological material |
US5158881A (en) * | 1987-11-17 | 1992-10-27 | Brown University Research Foundation | Method and system for encapsulating cells in a tubular extrudate in separate cell compartments |
US5283187A (en) * | 1987-11-17 | 1994-02-01 | Brown University Research Foundation | Cell culture-containing tubular capsule produced by co-extrusion |
US5441878A (en) * | 1987-12-08 | 1995-08-15 | Thies Technology, Inc. | Preparation of uniform droplets by using gas pressure to force liquid from a syringe and flowing gas to detach droplets |
US5079005A (en) * | 1988-06-17 | 1992-01-07 | Gupta Kashmiri L | Time release protein |
US5023080A (en) * | 1988-06-17 | 1991-06-11 | Basic Bio Systems, Inc. | Time release protein |
US5055300A (en) * | 1988-06-17 | 1991-10-08 | Basic Bio Systems, Inc. | Time release protein |
US4963369A (en) * | 1989-01-19 | 1990-10-16 | Wm. Wrigley Jr. Co. | Gum composition containing dispersed porous beads containing active chewing gum ingredients and method |
US5154927A (en) * | 1989-01-19 | 1992-10-13 | Wm. Wrigley Jr. Company | Gum composition containing dispersed porous beads containing active chewing gum ingredients and method |
US5139787A (en) * | 1989-01-19 | 1992-08-18 | Wm. Wrigley Jr. Company | Gum composition containing dispersed porous beads containing active chewing gum ingredients and method |
US5126174A (en) * | 1989-02-16 | 1992-06-30 | Wm. Wrigley Jr. Company | Food packaging improvements |
US5064698A (en) * | 1989-02-16 | 1991-11-12 | Wm. Wrigley, Jr. Company | Food packaging improvements |
JPH02258052A (ja) * | 1989-03-31 | 1990-10-18 | Mita Ind Co Ltd | 芯物質の保持性に優れた含水マイクロカプセルの製造方法 |
FR2645866B1 (fr) * | 1989-04-17 | 1991-07-05 | Centre Nat Rech Scient | Nouvelles lipopolyamines, leur preparation et leur emploi |
US5132117A (en) * | 1990-01-11 | 1992-07-21 | Temple University | Aqueous core microcapsules and method for their preparation |
US5154938A (en) * | 1990-12-20 | 1992-10-13 | Wm. Wrigley Jr. Company | Gum composition having dispersed porous beads containing plasticizers |
WO1992019195A1 (fr) * | 1991-04-25 | 1992-11-12 | Brown University Research Foundation | Vehicule implantable immuno-isolateur et biocompatible servant a apporter des produits therapeutiques selectionnes |
US5800829A (en) * | 1991-04-25 | 1998-09-01 | Brown University Research Foundation | Methods for coextruding immunoisolatory implantable vehicles with a biocompatible jacket and a biocompatible matrix core |
JP3252361B2 (ja) * | 1991-10-02 | 2002-02-04 | ミルトン・エイチ・リプスキー | インビボにおける癌の治療のアッセイ |
US5260002A (en) * | 1991-12-23 | 1993-11-09 | Vanderbilt University | Method and apparatus for producing uniform polymeric spheres |
US5429821A (en) * | 1992-05-29 | 1995-07-04 | The Regents Of The University Of California | Non-fibrogenic high mannuronate alginate coated transplants, processes for their manufacture, and methods for their use |
ZA935531B (en) * | 1992-07-30 | 1995-01-30 | Unilever Plc | High loading water-dispersible UVA and/or UVB light-absorbing co-polymer |
US5698413A (en) * | 1993-05-05 | 1997-12-16 | The United States Of America As Represented By The Department Of Health And Human Services | Method of evaluating chemotherapeutic agents in vivo |
US5545483A (en) * | 1993-06-01 | 1996-08-13 | Moore Business Forms, Inc. | Polyamide microcapsules reacted with isocyanate emulsion |
US5651980A (en) * | 1994-04-15 | 1997-07-29 | Biohybrid Technologies, Inc. | Methods of use of uncoated gel particles |
US5885782A (en) * | 1994-09-13 | 1999-03-23 | Nce Pharmaceuticals, Inc. | Synthetic antibiotics |
US5602097A (en) * | 1994-09-13 | 1997-02-11 | Ceres Technologies, Inc. | Synthetic antibiotics |
US6020312A (en) * | 1994-09-13 | 2000-02-01 | Nce Pharmaceuticals, Inc. | Synthetic antibiotics |
US6387399B1 (en) * | 1994-12-02 | 2002-05-14 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Microencapsulated bioactive agents and method of making |
US6247995B1 (en) | 1996-02-06 | 2001-06-19 | Bruce Bryan | Bioluminescent novelty items |
US5876995A (en) * | 1996-02-06 | 1999-03-02 | Bryan; Bruce | Bioluminescent novelty items |
US6416960B1 (en) | 1996-08-08 | 2002-07-09 | Prolume, Ltd. | Detection and visualization of neoplastic tissues and other tissues |
DE19634393A1 (de) * | 1996-08-26 | 1998-03-05 | Bayer Ag | Verfahren zur Herstellung vernetzter Polymerisate |
US8137684B2 (en) | 1996-10-01 | 2012-03-20 | Abraxis Bioscience, Llc | Formulations of pharmacological agents, methods for the preparation thereof and methods for the use thereof |
AU741076B2 (en) | 1996-12-12 | 2001-11-22 | Prolume, Ltd. | Apparatus and method for detecting and identifying infectious agents |
EP1925320A3 (fr) | 1998-03-27 | 2008-09-03 | Prolume, Ltd. | Luciférases, protéines fluorescentes, acides nucléiques codant pour les luciférases et protéines fluorescentes et leur utilisation pour le diagnostic, le criblage à haut rendement et articles nouveaux |
DE69938293T2 (de) | 1998-03-27 | 2009-03-12 | Bruce J. Beverly Hills Bryan | Luciferase, gfp fluoreszenzproteine, kodierende nukleinsaüre und ihre verwendung in der diagnose |
US7109315B2 (en) * | 2000-03-15 | 2006-09-19 | Bruce J. Bryan | Renilla reniformis fluorescent proteins, nucleic acids encoding the fluorescent proteins and the use thereof in diagnostics, high throughput screening and novelty items |
EP1294478B1 (fr) * | 2000-06-05 | 2005-12-28 | Syngenta Limited | Nouvelles emulsions |
US6753083B2 (en) * | 2000-11-06 | 2004-06-22 | Ciba Specialty Chemicals Water Treatments Ltd. | Particles |
NO20021592D0 (no) | 2002-04-04 | 2002-04-04 | Fmc Biopolymer As | Polysakkaridkapsler og fremgangsmåte ved fremstilling derav |
KR100540212B1 (ko) * | 2002-04-16 | 2006-01-16 | 주식회사 엔지뱅크 | 계면활성효소, 계면활성효소 합성방법 및 고정화된 효소 제조방법 |
US20050058689A1 (en) | 2003-07-03 | 2005-03-17 | Reactive Surfaces, Ltd. | Antifungal paints and coatings |
US20040109853A1 (en) | 2002-09-09 | 2004-06-10 | Reactive Surfaces, Ltd. | Biological active coating components, coatings, and coated surfaces |
US20060286006A1 (en) * | 2005-06-21 | 2006-12-21 | Mcdaniel C S | Method and apparatus for the treatment of fluid waste streams |
AT502539B1 (de) * | 2005-10-05 | 2008-12-15 | Lenzing Plastics Gmbh | Verbundfolie |
EP1991196B1 (fr) | 2006-03-03 | 2016-10-12 | Fmc Corporation | Procédé et appareil de préparation de capsules. |
CN100432120C (zh) * | 2006-05-15 | 2008-11-12 | 上海市合成树脂研究所 | 一种芳酰胺共聚物的制备方法 |
US8388904B1 (en) | 2008-12-22 | 2013-03-05 | Reactive Surfaces, Ltd., Llp | Equipment decontamination system and method |
JP6331264B2 (ja) * | 2013-05-21 | 2018-05-30 | 日立化成株式会社 | コア−シェル型カプセル及びその製造方法 |
EP2883606B1 (fr) * | 2013-12-11 | 2020-04-29 | Leibniz-Institut für Polymerforschung Dresden e.V. | Capsules polymères comprenant des catalyseurs |
CN104479128B (zh) * | 2014-12-17 | 2016-07-13 | 清华大学 | 一种利用乳液法由对苯二胺和对苯二酰氯缩聚制备对位芳纶的方法 |
US10377940B2 (en) | 2016-09-20 | 2019-08-13 | Saudi Arabian Oil Company | Cement having cross-linked polymers |
US10947437B2 (en) | 2016-09-20 | 2021-03-16 | Saudi Arabian Oil Company | Chemical composition of superabsorbent vesicles, method for mortar cement admixture, and applications of the same |
US10947438B2 (en) | 2016-09-20 | 2021-03-16 | Saudi Arabian Oil Company | Method for monitoring cement using polymer-based capsules |
CA3087384A1 (fr) | 2018-01-02 | 2019-07-11 | Saudi Arabian Oil Company | Conception de capsule pour la capture de reactifs |
CA3087056A1 (fr) * | 2018-01-02 | 2019-07-11 | Saudi Arabian Oil Company | Composition d'additifs chimiques encapsules et leurs procedes de preparation |
CN111587280A (zh) * | 2018-01-02 | 2020-08-25 | 沙特***石油公司 | 用于添加剂的包封和释放的材料设计 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA873815A (en) * | 1971-06-22 | G. Mason Stanley | Encapsulated hydrophilic compositions and methods of making them | |
US3429827A (en) * | 1962-11-23 | 1969-02-25 | Moore Business Forms Inc | Method of encapsulation |
CH453305A (fr) * | 1963-10-21 | 1968-06-14 | Pilot Pen Co Ltd | Procédé pour encapsuler de fines gouttelettes de liquides dispersées |
US3577515A (en) * | 1963-12-13 | 1971-05-04 | Pennwalt Corp | Encapsulation by interfacial polycondensation |
JPS5128589B1 (fr) * | 1967-12-28 | 1976-08-20 |
-
1975
- 1975-08-20 US US05/606,166 patent/US4324683A/en not_active Expired - Lifetime
-
1976
- 1976-09-29 AU AU18232/76A patent/AU505888B2/en not_active Expired
- 1976-10-01 SE SE7610920A patent/SE426245B/xx not_active IP Right Cessation
- 1976-10-09 DE DE19762645730 patent/DE2645730A1/de not_active Withdrawn
- 1976-10-11 CH CH1284176A patent/CH628823A5/de not_active IP Right Cessation
- 1976-10-12 AT AT755876A patent/AT359977B/de not_active IP Right Cessation
- 1976-10-20 JP JP12507276A patent/JPS5352616A/ja active Pending
- 1976-11-02 CA CA264,735A patent/CA1075179A/fr not_active Expired
- 1976-11-12 NL NL7612592A patent/NL7612592A/xx not_active Application Discontinuation
- 1976-11-17 BE BE172434A patent/BE848427A/fr not_active IP Right Cessation
- 1976-11-19 LU LU76237A patent/LU76237A1/xx unknown
Also Published As
Publication number | Publication date |
---|---|
SE7610920L (sv) | 1978-04-02 |
AU505888B2 (en) | 1979-12-06 |
CA1075179A (fr) | 1980-04-08 |
AU1823276A (en) | 1978-04-06 |
NL7612592A (nl) | 1978-05-17 |
SE426245B (sv) | 1982-12-20 |
US4324683A (en) | 1982-04-13 |
ATA755876A (de) | 1980-05-15 |
JPS5352616A (en) | 1978-05-13 |
AT359977B (de) | 1980-12-10 |
DE2645730A1 (de) | 1978-04-13 |
LU76237A1 (fr) | 1977-06-07 |
CH628823A5 (en) | 1982-03-31 |
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Legal Events
Date | Code | Title | Description |
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RE | Patent lapsed |
Owner name: DAMON BIOTECH INC. Effective date: 19871130 |