BE728741A - - Google Patents
Info
- Publication number
- BE728741A BE728741A BE728741DA BE728741A BE 728741 A BE728741 A BE 728741A BE 728741D A BE728741D A BE 728741DA BE 728741 A BE728741 A BE 728741A
- Authority
- BE
- Belgium
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F8/00—Chemical modification by after-treatment
- C08F8/12—Hydrolysis
Landscapes
- Chemical & Material Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US70745068A | 1968-02-23 | 1968-02-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE728741A true BE728741A (US06312121-20011106-C00033.png) | 1969-08-21 |
Family
ID=24841750
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE728741D BE728741A (US06312121-20011106-C00033.png) | 1968-02-23 | 1969-02-21 |
Country Status (6)
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH503781A (de) * | 1968-05-15 | 1971-02-28 | Sandoz Ag | Verfahren zur Herstellung von basischen Farbstoffen |
| DE3000750C2 (de) * | 1980-01-10 | 1986-10-30 | Wacker-Chemie GmbH, 8000 München | Verfahren zur Herstellung von Polyvinylalkohol |
| DE3026144A1 (de) * | 1980-07-10 | 1982-02-18 | Hoechst Ag, 6000 Frankfurt | Verfahren zur herstellung von polyvinylalkohol und danach erhaltener polyvinylalkohol |
| JP2542346B2 (ja) * | 1987-05-30 | 1996-10-09 | 日本合成化学工業株式会社 | 高重合度ポリビニルアルコ−ルの製造法 |
| JP3805427B2 (ja) * | 1996-05-31 | 2006-08-02 | 株式会社クラレ | ポリビニルアルコール粉末 |
| DE10105656A1 (de) | 2001-02-08 | 2002-08-22 | Wacker Polymer Systems Gmbh | Verfahren zur Herstellung von Polyvinylalkohol |
| JP4087321B2 (ja) * | 2003-09-17 | 2008-05-21 | 株式会社クラレ | ポリビニルアルコール系重合体およびその製造方法 |
| DE102013225178A1 (de) | 2013-12-06 | 2015-06-11 | Wacker Chemie Ag | Verfahren zur Herstellung von Polyvinylalkohol |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2734048A (en) * | 1950-04-22 | 1956-02-07 | Chsoh | |
| US3296236A (en) * | 1962-05-31 | 1967-01-03 | Du Pont | Production of granular polyvinyl alcohol |
-
1968
- 1968-02-23 US US707450A patent/US3487060A/en not_active Expired - Lifetime
-
1969
- 1969-02-21 BE BE728741D patent/BE728741A/xx not_active IP Right Cessation
- 1969-02-24 DE DE19691909170 patent/DE1909170B2/de not_active Withdrawn
- 1969-02-24 NL NL6902843A patent/NL6902843A/xx unknown
- 1969-02-24 GB GB1231531D patent/GB1231531A/en not_active Expired
- 1969-02-24 FR FR6904652A patent/FR2002543A1/fr not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| GB1231531A (US06312121-20011106-C00033.png) | 1971-05-12 |
| NL6902843A (US06312121-20011106-C00033.png) | 1969-08-26 |
| DE1909170A1 (de) | 1969-09-11 |
| US3487060A (en) | 1969-12-30 |
| FR2002543A1 (US06312121-20011106-C00033.png) | 1969-10-17 |
| DE1909170B2 (de) | 1971-03-18 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| RE | Patent lapsed |
Owner name: E.I. DU PONT DE NEMOURS AND CY Effective date: 19860228 |