FR2265761A1 - - Google Patents
Info
- Publication number
- FR2265761A1 FR2265761A1 FR7509830A FR7509830A FR2265761A1 FR 2265761 A1 FR2265761 A1 FR 2265761A1 FR 7509830 A FR7509830 A FR 7509830A FR 7509830 A FR7509830 A FR 7509830A FR 2265761 A1 FR2265761 A1 FR 2265761A1
- 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
- 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)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2415154A DE2415154C2 (de) | 1974-03-29 | 1974-03-29 | Verfahren zur Herstellung von Cellulosemischethern, die neben Alkylgruppen, Hydroxyalkylgruppen oder Carboxyalkylgruppen noch 2,3-Dihydroxypropylgruppen enthalten |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2265761A1 true FR2265761A1 (US20110232667A1-20110929-C00004.png) | 1975-10-24 |
| FR2265761B1 FR2265761B1 (US20110232667A1-20110929-C00004.png) | 1977-11-25 |
Family
ID=5911514
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7509830A Expired FR2265761B1 (US20110232667A1-20110929-C00004.png) | 1974-03-29 | 1975-03-28 |
Country Status (5)
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0041364A1 (en) * | 1980-06-03 | 1981-12-09 | Hercules Incorporated | Method of preparing hydroxyethyl ethers of cellulose |
| EP0055820A1 (en) * | 1980-12-29 | 1982-07-14 | Hercules Incorporated | Preparation of CMC with improved substituent uniformity using borax |
| EP0076698A2 (en) * | 1981-10-06 | 1983-04-13 | Sumitomo Chemical Company, Limited | Highly dielectric polysaccharides |
| EP0470444A2 (de) * | 1990-08-07 | 1992-02-12 | Wolff Walsrode Aktiengesellschaft | Dihydroxypropylsulfoethylcellulosen, ihre Herstellung und Verwendung |
| EP0539979A2 (en) * | 1991-10-29 | 1993-05-05 | Daicel Chemical Industries, Ltd. | Process for producing mixed cellulose ether |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4096326A (en) * | 1976-10-13 | 1978-06-20 | Hercules Incorporated | Dihydroxypropyl cellulose |
| DE3335323A1 (de) | 1983-09-27 | 1985-04-04 | Schering AG, 1000 Berlin und 4709 Bergkamen | Substituierte ss-carboline, verfahren zu ihrer herstellung und ihre verwendung als arzneimittel |
| US4523010A (en) * | 1984-06-15 | 1985-06-11 | Hercules Incorporated | Dihydroxypropyl mixed ether derivatives of cellulose |
| US4579942A (en) * | 1984-09-26 | 1986-04-01 | Union Carbide Corporation | Polysaccharides, methods for preparing such polysaccharides and fluids utilizing such polysaccharides |
| DE19517498A1 (de) * | 1995-05-12 | 1996-11-14 | Budenheim Rud A Oetker Chemie | Verfahren zur Anreicherung mit Spurensubstanzen und Rieselhilfsmittel hierfür |
| US6322721B1 (en) * | 1998-08-24 | 2001-11-27 | Technical Processing, Inc. | Quaternary ammonium salt vulcanization accelerators for rubbers and plastics |
| WO2006035696A1 (ja) * | 2004-09-29 | 2006-04-06 | Kowa Co., Ltd. | セルロース誘導体リン酸エステル及びそれを用いた金属吸着材 |
| DE102009012161B8 (de) * | 2009-03-06 | 2012-12-13 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Verfahren zur Herstellung von Polysaccharidderivaten |
| US8252266B2 (en) | 2010-08-09 | 2012-08-28 | Nalco Company | Recovery of alumina trihydrate during the bayer process using scleroglucan |
| DE102015000795A1 (de) * | 2015-01-23 | 2016-07-28 | Se Tylose Gmbh & Co. Kg | Reversibel vernetzte Celluloseether und Verfahren zu deren Herstellung durch selektive Oxidation von vicinalen OH-Gruppen |
| US9879172B2 (en) | 2015-08-20 | 2018-01-30 | Halliburton Energy Services, Inc. | Modified hydroxyethyl cellulosic polymers for improved well bore fluids and related uses |
| US10427950B2 (en) | 2015-12-04 | 2019-10-01 | Ecolab Usa Inc. | Recovery of mining processing product using boronic acid-containing polymers |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2135128A (en) * | 1935-09-23 | 1938-11-01 | Celanese Corp | Manufacture of derivatives of cellulose and other polymeric hydroxy compounds |
| US2388764A (en) * | 1938-10-20 | 1945-11-13 | Sylvania Ind Corp | Cellulose ethers and process for producing the same |
| US2687411A (en) * | 1952-03-15 | 1954-08-24 | American Viscose Corp | Production of water soluble cellulose ethers |
| US2854447A (en) * | 1953-06-04 | 1958-09-30 | Petrolite Corp | Process for preparing oxyalkylated derivatives |
| US2834777A (en) * | 1957-04-30 | 1958-05-13 | Mo Och Domsjoe Ab | Methods of treating cellulose ethers |
| US3356519A (en) * | 1964-02-28 | 1967-12-05 | Dow Chemical Co | Cellulose ether composition |
| CH1767565D (US20110232667A1-20110929-C00004.png) * | 1965-02-17 | |||
| US3489719A (en) * | 1967-07-05 | 1970-01-13 | Dow Chemical Co | Surface treatment of finely-divided water-soluble polymers |
| US3903075A (en) * | 1967-12-22 | 1975-09-02 | Hoechst Ag | Process for the preparation of water-insoluble hydroxybutyl cellulose |
| US3652539A (en) * | 1970-03-09 | 1972-03-28 | Nippon Soda Co | Process for the production of hydroxypropyl cellulose |
-
1974
- 1974-03-29 DE DE2415154A patent/DE2415154C2/de not_active Expired
-
1975
- 1975-03-17 US US05/558,631 patent/US4013821A/en not_active Expired - Lifetime
- 1975-03-24 IT IT7521575A patent/IT1034584B/it active
- 1975-03-28 FR FR7509830A patent/FR2265761B1/fr not_active Expired
- 1975-03-28 JP JP50037017A patent/JPS5945681B2/ja not_active Expired
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0041364A1 (en) * | 1980-06-03 | 1981-12-09 | Hercules Incorporated | Method of preparing hydroxyethyl ethers of cellulose |
| EP0055820A1 (en) * | 1980-12-29 | 1982-07-14 | Hercules Incorporated | Preparation of CMC with improved substituent uniformity using borax |
| EP0076698A2 (en) * | 1981-10-06 | 1983-04-13 | Sumitomo Chemical Company, Limited | Highly dielectric polysaccharides |
| EP0076698A3 (en) * | 1981-10-06 | 1984-01-04 | Sumitomo Chemical Company, Limited | Highly dielectric polysaccharides |
| EP0470444A2 (de) * | 1990-08-07 | 1992-02-12 | Wolff Walsrode Aktiengesellschaft | Dihydroxypropylsulfoethylcellulosen, ihre Herstellung und Verwendung |
| EP0470444A3 (en) * | 1990-08-07 | 1992-07-08 | Wolff Walsrode Aktiengesellschaft | Dihydroxypropyl sulfoethyl cellulose ethers, preparation and use thereof |
| US5182380A (en) * | 1990-08-07 | 1993-01-26 | Wolff Walsrode Aktiengesellschaft | Dihydroxypropyl sulphoethyl celluloses, their preparation and their use |
| EP0539979A2 (en) * | 1991-10-29 | 1993-05-05 | Daicel Chemical Industries, Ltd. | Process for producing mixed cellulose ether |
| EP0539979A3 (en) * | 1991-10-29 | 1993-09-08 | Daicel Ltd. | Process for producing mixed cellulose ether |
| US5463037A (en) * | 1991-10-29 | 1995-10-31 | Daicel Chemical Industries, Ltd. | Process for producing mixed cellulose ether |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS50130883A (US20110232667A1-20110929-C00004.png) | 1975-10-16 |
| FR2265761B1 (US20110232667A1-20110929-C00004.png) | 1977-11-25 |
| DE2415154C2 (de) | 1985-05-23 |
| IT1034584B (it) | 1979-10-10 |
| DE2415154A1 (de) | 1975-10-16 |
| US4013821A (en) | 1977-03-22 |
| JPS5945681B2 (ja) | 1984-11-08 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| TP | Transmission of property | ||
| ST | Notification of lapse |