IT7821922A0 - Procedimento per la dissoluzione della cellulosa in solventi organici, soluzioni ottenute con tale procedimento, e procedimento per la rigenerazione della cellulosa dalle dette soluzioni con produzioni di corpi formati. - Google Patents

Procedimento per la dissoluzione della cellulosa in solventi organici, soluzioni ottenute con tale procedimento, e procedimento per la rigenerazione della cellulosa dalle dette soluzioni con produzioni di corpi formati.

Info

Publication number
IT7821922A0
IT7821922A0 IT7821922A IT2192278A IT7821922A0 IT 7821922 A0 IT7821922 A0 IT 7821922A0 IT 7821922 A IT7821922 A IT 7821922A IT 2192278 A IT2192278 A IT 2192278A IT 7821922 A0 IT7821922 A0 IT 7821922A0
Authority
IT
Italy
Prior art keywords
procedure
cellulose
solutions
regeneration
dissolution
Prior art date
Application number
IT7821922A
Other languages
English (en)
Inventor
Baldini Alberto
Leoni Roberto
Calloni Angelo
Angelini Gianfranco
Original Assignee
Ind Applic Viscosa Snia Viscos
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Ind Applic Viscosa Snia Viscos filed Critical Ind Applic Viscosa Snia Viscos
Priority to IT7821922A priority Critical patent/IT7821922A0/it
Publication of IT7821922A0 publication Critical patent/IT7821922A0/it
Priority to US06/025,068 priority patent/US4268666A/en
Priority to JP3827079A priority patent/JPS54151613A/ja
Priority to GB7911288A priority patent/GB2018259B/en
Priority to FR7908268A priority patent/FR2432534A1/fr
Priority to DE19792913369 priority patent/DE2913369A1/de
Priority to FR7922342A priority patent/FR2431517A1/fr

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
    • C08B1/00—Preparatory treatment of cellulose for making derivatives thereof, e.g. pre-treatment, pre-soaking, activation
    • C08B1/003—Preparation of cellulose solutions, i.e. dopes, with different possible solvents, e.g. ionic liquids
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
    • C08B16/00—Regeneration of cellulose

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Biochemistry (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
IT7821922A 1978-04-03 1978-04-03 Procedimento per la dissoluzione della cellulosa in solventi organici, soluzioni ottenute con tale procedimento, e procedimento per la rigenerazione della cellulosa dalle dette soluzioni con produzioni di corpi formati. IT7821922A0 (it)

Priority Applications (7)

Application Number Priority Date Filing Date Title
IT7821922A IT7821922A0 (it) 1978-04-03 1978-04-03 Procedimento per la dissoluzione della cellulosa in solventi organici, soluzioni ottenute con tale procedimento, e procedimento per la rigenerazione della cellulosa dalle dette soluzioni con produzioni di corpi formati.
US06/025,068 US4268666A (en) 1978-04-03 1979-03-29 Process for the dissolution of cellulose in organic solvents, solutions obtained by said process, and process for the production of formed bodies of regenerated cellulose from said solutions
JP3827079A JPS54151613A (en) 1978-04-03 1979-03-30 Method for solublizing fibrin in organic solvent * solution obtained by said method and forming of regenerated fiber material from said solution
GB7911288A GB2018259B (en) 1978-04-03 1979-03-30 Making cellulose solutions
FR7908268A FR2432534A1 (fr) 1978-04-03 1979-04-02 Procede pour la dissolution de cellulose dans des solvants organiques
DE19792913369 DE2913369A1 (de) 1978-04-03 1979-04-03 Verfahren zum aufloesen von cellulose in organischen loesungsmitteln, loesungen, die nach diesem verfahren erhalten wurden und verwendung der so erhaltenen loesungen zur herstellung von formkoerpern aus regenerierter cellulose
FR7922342A FR2431517A1 (fr) 1978-04-03 1979-09-06 Solution de derives de cellulose dans des solvants organiques

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT7821922A IT7821922A0 (it) 1978-04-03 1978-04-03 Procedimento per la dissoluzione della cellulosa in solventi organici, soluzioni ottenute con tale procedimento, e procedimento per la rigenerazione della cellulosa dalle dette soluzioni con produzioni di corpi formati.

Publications (1)

Publication Number Publication Date
IT7821922A0 true IT7821922A0 (it) 1978-04-03

Family

ID=11188826

Family Applications (1)

Application Number Title Priority Date Filing Date
IT7821922A IT7821922A0 (it) 1978-04-03 1978-04-03 Procedimento per la dissoluzione della cellulosa in solventi organici, soluzioni ottenute con tale procedimento, e procedimento per la rigenerazione della cellulosa dalle dette soluzioni con produzioni di corpi formati.

Country Status (2)

Country Link
US (1) US4268666A (it)
IT (1) IT7821922A0 (it)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT7923350A0 (it) * 1979-06-07 1979-06-07 Snia Viscosa Procedimento per la preparazione di soluzioni di derivati della cellulosa in solventi organici ad alta concentrazione e soluzioni ottenute con tale procedimento.
US6500215B1 (en) 2000-07-11 2002-12-31 Sybron Chemicals, Inc. Utility of selected amine oxides in textile technology
US9179709B2 (en) 2012-07-25 2015-11-10 R. J. Reynolds Tobacco Company Mixed fiber sliver for use in the manufacture of cigarette filter elements
US9119419B2 (en) 2012-10-10 2015-09-01 R.J. Reynolds Tobacco Company Filter material for a filter element of a smoking article, and associated system and method
CN103074700B (zh) * 2013-02-06 2013-12-11 河南省科技咨询服务中心 一种用秸秆纤维素制备长丝和短丝的方法
US10959456B2 (en) 2014-09-12 2021-03-30 R.J. Reynolds Tobacco Company Nonwoven pouch comprising heat sealable binder fiber
US20160157515A1 (en) 2014-12-05 2016-06-09 R.J. Reynolds Tobacco Company Smokeless tobacco pouch
US10524500B2 (en) 2016-06-10 2020-01-07 R.J. Reynolds Tobacco Company Staple fiber blend for use in the manufacture of cigarette filter elements
MX2022006901A (es) 2019-12-09 2022-09-21 Nicoventures Trading Ltd Producto oral con componente disoluble.
WO2021116894A1 (en) 2019-12-09 2021-06-17 Nicoventures Trading Limited Pouched products with heat sealable binder
BR112022010982A2 (pt) 2019-12-09 2022-08-23 Nicoventures Trading Ltd Velo em camadas para produto em bolsa
US20210169138A1 (en) 2019-12-09 2021-06-10 Nicoventures Trading Limited Fibrous fleece material
US20210170031A1 (en) 2019-12-09 2021-06-10 Nicoventures Trading Limited Oral composition with nanocrystalline cellulose
US20220346436A1 (en) 2021-04-22 2022-11-03 Nicoventures Trading Limited Orally dissolving films
WO2022264066A1 (en) 2021-06-16 2022-12-22 Nicoventures Trading Limited Pouched product comprising dissolvable composition
WO2023084498A1 (en) 2021-11-15 2023-05-19 Nicoventures Trading Limited Oral products with nicotine-polymer complex
CA3238147A1 (en) 2021-11-15 2023-05-19 Christopher Keller Products with enhanced sensory characteristics
WO2023194959A1 (en) 2022-04-06 2023-10-12 Nicoventures Trading Limited Pouched products with heat sealable binder
US20230413897A1 (en) 2022-06-27 2023-12-28 R.J. Reynolds Tobacco Company Alternative filter materials and components for an aerosol delivery device
WO2024079722A1 (en) 2022-10-14 2024-04-18 Nicoventures Trading Limited Capsule-containing pouched products
WO2024089588A1 (en) 2022-10-24 2024-05-02 Nicoventures Trading Limited Shaped pouched products
WO2024095163A1 (en) 2022-11-01 2024-05-10 Nicoventures Trading Limited Oral composition comprising encapsulated ph adjusting agent
WO2024095164A1 (en) 2022-11-01 2024-05-10 Nicoventures Trading Limited Products with spherical filler

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1234720A (en) * 1915-06-24 1917-07-31 Emile Leon Bloch-Pimentel Cellulose compound and method of making the same.
GB1197322A (en) * 1966-09-14 1970-07-01 Tomoegawa Paper Mfg Company Lt Cellulose Solution in Organic Solvents which is Capable of Dissolving various kinds of High Polymers
US4022631A (en) * 1975-05-19 1977-05-10 International Telephone And Telegraph Corporation Process for producing regenerated cellulosic articles
US4076932A (en) * 1976-02-27 1978-02-28 International Telephone And Telegraph Corporation Process for producing regenerated cellulosic articles
US4097666A (en) * 1976-04-29 1978-06-27 The Institute Of Paper Chemistry Solvent system for polysaccharides
GB1560773A (en) * 1976-07-16 1980-02-06 Rhone Poulenc Textile Spinnable cellulose solutions
FR2358477A1 (fr) * 1976-07-16 1978-02-10 Rhone Poulenc Textile Nouveau procede de mise en forme de solutions de cellulose par voie physique et articles ainsi obtenus
US4145532A (en) * 1977-11-25 1979-03-20 Akzona Incorporated Process for making precipitated cellulose

Also Published As

Publication number Publication date
US4268666A (en) 1981-05-19

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