FR2273012A1 - Hydroxy-propyl cellulose prepn from cellulose - by alkalising and etherifying with diluent addn., giving high yield - Google Patents
Hydroxy-propyl cellulose prepn from cellulose - by alkalising and etherifying with diluent addn., giving high yieldInfo
- Publication number
- FR2273012A1 FR2273012A1 FR7418726A FR7418726A FR2273012A1 FR 2273012 A1 FR2273012 A1 FR 2273012A1 FR 7418726 A FR7418726 A FR 7418726A FR 7418726 A FR7418726 A FR 7418726A FR 2273012 A1 FR2273012 A1 FR 2273012A1
- Authority
- FR
- France
- Prior art keywords
- cellulose
- diluent
- addn
- etherifying
- prepn
- Prior art date
- 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
- 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
- C08B11/08—Alkyl or cycloalkyl ethers with substituted hydrocarbon radicals with hydroxylated hydrocarbon radicals; Esters, ethers, or acetals thereof
-
- 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
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)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7418726A FR2273012A1 (en) | 1974-05-30 | 1974-05-30 | Hydroxy-propyl cellulose prepn from cellulose - by alkalising and etherifying with diluent addn., giving high yield |
GB2281175A GB1490160A (en) | 1974-05-30 | 1975-05-23 | Process for the preparation of hydroxypropyl-cellulose and of mixed ethers derived therefrom |
DE19752523272 DE2523272A1 (de) | 1974-05-30 | 1975-05-26 | Verfahren zur herstellung von hydroxypropylcellulose und gemischten aetherderivaten davon |
NL7506309A NL7506309A (nl) | 1974-05-30 | 1975-05-28 | Werkwijze ter bereiding van hydroxypropylcellu- lose en gemengde etherderivaten. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7418726A FR2273012A1 (en) | 1974-05-30 | 1974-05-30 | Hydroxy-propyl cellulose prepn from cellulose - by alkalising and etherifying with diluent addn., giving high yield |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2273012A1 true FR2273012A1 (en) | 1975-12-26 |
FR2273012B1 FR2273012B1 (fr) | 1976-10-15 |
Family
ID=9139443
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7418726A Granted FR2273012A1 (en) | 1974-05-30 | 1974-05-30 | Hydroxy-propyl cellulose prepn from cellulose - by alkalising and etherifying with diluent addn., giving high yield |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2273012A1 (fr) |
-
1974
- 1974-05-30 FR FR7418726A patent/FR2273012A1/fr active Granted
Also Published As
Publication number | Publication date |
---|---|
FR2273012B1 (fr) | 1976-10-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
TP | Transmission of property | ||
CA | Change of address | ||
CD | Change of name or company name | ||
ST | Notification of lapse |