FR2224484A1 - - Google Patents
Info
- Publication number
- FR2224484A1 FR2224484A1 FR7412046A FR7412046A FR2224484A1 FR 2224484 A1 FR2224484 A1 FR 2224484A1 FR 7412046 A FR7412046 A FR 7412046A FR 7412046 A FR7412046 A FR 7412046A FR 2224484 A1 FR2224484 A1 FR 2224484A1
- Authority
- FR
- France
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/54—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5263—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using natural chemical compounds
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
- C08B11/00—Preparation of cellulose ethers
- C08B11/02—Alkyl or cycloalkyl ethers
- C08B11/04—Alkyl or cycloalkyl ethers with substituted hydrocarbon radicals
- C08B11/14—Alkyl or cycloalkyl ethers with substituted hydrocarbon radicals with nitrogen-containing groups
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
- C08B11/00—Preparation of cellulose ethers
- C08B11/193—Mixed ethers, i.e. ethers with two or more different etherifying groups
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/20—Macromolecular organic compounds
- D21H17/21—Macromolecular organic compounds of natural origin; Derivatives thereof
- D21H17/24—Polysaccharides
- D21H17/25—Cellulose
- D21H17/26—Ethers thereof
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Polymers & Plastics (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Materials Engineering (AREA)
- Biochemistry (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- General Chemical & Material Sciences (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE7304844A SE379222B (en) | 1973-04-05 | 1973-04-05 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2224484A1 true FR2224484A1 (en) | 1974-10-31 |
FR2224484B1 FR2224484B1 (en) | 1976-10-08 |
Family
ID=20317127
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7412046A Expired FR2224484B1 (en) | 1973-04-05 | 1974-04-04 |
Country Status (6)
Country | Link |
---|---|
BR (1) | BR7402743D0 (en) |
DE (1) | DE2416021B2 (en) |
FR (1) | FR2224484B1 (en) |
GB (1) | GB1474551A (en) |
IT (1) | IT1009425B (en) |
SE (1) | SE379222B (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0374125A2 (en) * | 1988-12-16 | 1990-06-20 | BRIGL & BERGMEISTER PAPIERFABRIK GESELLSCHAFT M.B.H. | Soil-conditioning agent |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4018287A1 (en) * | 1990-06-07 | 1991-12-12 | Sued Chemie Ag | Flocculating agent for purificn. of waste water - comprises acid soln. of salts of polyvalent metals and cationic polymeric carbohydrate |
GB2323100B (en) * | 1996-11-29 | 2001-06-06 | Cellcat Gmbh | Polysaccharide particles, method for producing them and their use |
EP1697587B1 (en) * | 2003-12-22 | 2009-04-22 | Akzo Nobel N.V. | Paper comprising quaternary nitrogen containing cellulose ether |
DE102004035869A1 (en) * | 2004-07-23 | 2006-03-16 | Wolff Cellulosics Gmbh & Co. Kg | Process for the preparation of amino group-containing cellulose derivatives and their use in cosmetic preparations of water treatment and papermaking |
DE102004035870A1 (en) * | 2004-07-23 | 2006-02-09 | Wolff Cellulosics Gmbh & Co. Kg | Process for the preparation of aminoalkyl group-containing polysaccharides and polysaccharide derivatives |
-
1973
- 1973-04-05 SE SE7304844A patent/SE379222B/xx unknown
-
1974
- 1974-04-02 DE DE19742416021 patent/DE2416021B2/en not_active Withdrawn
- 1974-04-04 GB GB1511574A patent/GB1474551A/en not_active Expired
- 1974-04-04 FR FR7412046A patent/FR2224484B1/fr not_active Expired
- 1974-04-05 IT IT6810374A patent/IT1009425B/en active
- 1974-04-05 BR BR274374A patent/BR7402743D0/en unknown
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0374125A2 (en) * | 1988-12-16 | 1990-06-20 | BRIGL & BERGMEISTER PAPIERFABRIK GESELLSCHAFT M.B.H. | Soil-conditioning agent |
EP0374125A3 (en) * | 1988-12-16 | 1990-08-22 | BRIGL & BERGMEISTER PAPIERFABRIK GESELLSCHAFT M.B.H. | Soil-conditioning agent |
Also Published As
Publication number | Publication date |
---|---|
DE2416021A1 (en) | 1974-10-24 |
IT1009425B (en) | 1976-12-10 |
FR2224484B1 (en) | 1976-10-08 |
SE379222B (en) | 1975-09-29 |
BR7402743D0 (en) | 1974-11-05 |
GB1474551A (en) | 1977-05-25 |
DE2416021B2 (en) | 1978-10-05 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |