ZA728413B - Process for the sulfation of cellulosic ethers - Google Patents
Process for the sulfation of cellulosic ethersInfo
- Publication number
- ZA728413B ZA728413B ZA728413A ZA728413A ZA728413B ZA 728413 B ZA728413 B ZA 728413B ZA 728413 A ZA728413 A ZA 728413A ZA 728413 A ZA728413 A ZA 728413A ZA 728413 B ZA728413 B ZA 728413B
- Authority
- ZA
- South Africa
- Prior art keywords
- sulfation
- cellulosic ethers
- cellulosic
- ethers
- Prior art date
Links
Classifications
-
- 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
- C08B11/20—Post-etherification treatments of chemical or physical type, e.g. mixed etherification in two steps, including purification
- C08B11/22—Isolation
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
- C08B13/00—Preparation of cellulose ether-esters
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)
- Polysaccharides And Polysaccharide Derivatives (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US23237172A | 1972-03-07 | 1972-03-07 |
Publications (1)
Publication Number | Publication Date |
---|---|
ZA728413B true ZA728413B (en) | 1974-06-26 |
Family
ID=22872831
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZA728413A ZA728413B (en) | 1972-03-07 | 1972-11-27 | Process for the sulfation of cellulosic ethers |
Country Status (8)
Country | Link |
---|---|
US (1) | US3709877A (xx) |
AR (1) | AR192687A1 (xx) |
AU (1) | AU4990672A (xx) |
BR (1) | BR7300610D0 (xx) |
CA (1) | CA965783A (xx) |
GB (1) | GB1407064A (xx) |
IE (1) | IE36935B1 (xx) |
ZA (1) | ZA728413B (xx) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4035569A (en) * | 1970-05-25 | 1977-07-12 | Schweiger Richard Georg | Preparation of cellulose nitrite |
US4143226A (en) * | 1970-05-25 | 1979-03-06 | Schweiger Richard Georg | Process for preparing a sulfate ester of a polyhydroxy polymer |
US3804092A (en) * | 1973-01-15 | 1974-04-16 | Johnson & Johnson | Water dispersible nonwoven fabric |
US3872060A (en) * | 1973-10-04 | 1975-03-18 | Tee Pak Inc | Method of sulfoalkylating polyhydric alcohols and the corresponding product |
US4177345A (en) * | 1974-07-10 | 1979-12-04 | Schweiger Richard Georg | Process for preparing a sulfate ester of a polyhydroxy polymer |
US4480091A (en) * | 1983-10-31 | 1984-10-30 | Eastman Kodak Company | Process for preparing cellulose sulfate esters |
GB2317182B (en) * | 1996-09-11 | 2000-11-01 | Johnson & Johnson Medical | Sulfated polysaccharides and uses thereof in medical treatment |
DE102013204817B4 (de) * | 2013-03-19 | 2017-08-03 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Verfahren zur Herstellung von sulfatierten Celluloseethern sowie deren Verwendung zur Herstellung von Mikrokapseln |
-
1972
- 1972-03-07 US US00232371A patent/US3709877A/en not_active Expired - Lifetime
- 1972-11-24 CA CA157,509A patent/CA965783A/en not_active Expired
- 1972-11-27 GB GB5466972A patent/GB1407064A/en not_active Expired
- 1972-11-27 ZA ZA728413A patent/ZA728413B/xx unknown
- 1972-11-29 IE IE1657/72A patent/IE36935B1/xx unknown
- 1972-11-30 AR AR245408A patent/AR192687A1/es active
- 1972-12-11 AU AU49906/72A patent/AU4990672A/en not_active Expired
-
1973
- 1973-01-26 BR BR73610A patent/BR7300610D0/pt unknown
Also Published As
Publication number | Publication date |
---|---|
CA965783A (en) | 1975-04-08 |
AU4990672A (en) | 1974-06-13 |
GB1407064A (en) | 1975-09-24 |
US3709877A (en) | 1973-01-09 |
IE36935L (en) | 1973-09-07 |
AR192687A1 (es) | 1973-02-28 |
BR7300610D0 (pt) | 1974-05-16 |
IE36935B1 (en) | 1977-03-30 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CA937241A (en) | Process for the manufacture of glycidyl ethers | |
MY7600089A (en) | Process for the production of dinethyl ether | |
CA1000698A (en) | Process for the preparation of saccharose-hydroxy alkyl ethers | |
YU310473A (en) | Process for obtaining cephalosporin ethers | |
IL35871A (en) | A process for the preparation of a cellulose carbonate | |
IL33371A0 (en) | New process for the preparation of daunorubicin | |
EG10850A (en) | Process for the preparation of 1-hydroxy-pyridones | |
ZA728413B (en) | Process for the sulfation of cellulosic ethers | |
CA1011345A (en) | Process for the production of glycol ethers | |
ZA737697B (en) | Process for the preparation of thiazolesulphenamides | |
ZA705423B (en) | New process for the preparation of 3-phenyl-5-t-butyl-5-oxadiazolones | |
CH614430A5 (en) | Process for the preparation of substituted phenylguanidines | |
GB1407917A (en) | Process for the preparation of thiazolesulphenamides | |
ZA731178B (en) | Process for the preparation of alpha-6-deoxytetracyclines | |
ZA731805B (en) | New ethers | |
ZA733567B (en) | Isocyanodiphenyl ethers | |
GB1405791A (en) | Process for the preparation of pyridoindolobenzazepines | |
CA952537A (en) | Process for the preparation of polyether thioethers | |
KR780000152B1 (en) | Process for the preparation of 2-amino-benzylamines | |
IL42308A0 (en) | New process for the preparation of 2-methoxy-5-sulfamoyl benzoyl-n-ethyl-2-pyrrolidine-methylamine | |
CA839259A (en) | Process for the preparation of cellulose ethers | |
IL35069A0 (en) | New process for the preparation of 3-phenyl-5-t-butyl-5-oxadiazolones | |
CA896548A (en) | Process for the production of aldimino- and ketimino-nitroaryl ethers | |
CA816142A (en) | Process for the manufacture of ethers | |
CA819722A (en) | Process for making alkylene oxide-polyol adducts |