CH520718A - Process for homopolymerizing maleic, itaconic or aconitic anhydride - Google Patents
Process for homopolymerizing maleic, itaconic or aconitic anhydrideInfo
- Publication number
- CH520718A CH520718A CH1356169A CH1356169A CH520718A CH 520718 A CH520718 A CH 520718A CH 1356169 A CH1356169 A CH 1356169A CH 1356169 A CH1356169 A CH 1356169A CH 520718 A CH520718 A CH 520718A
- Authority
- CH
- Switzerland
- Prior art keywords
- homopolymerizing
- itaconic
- maleic
- aconitic anhydride
- aconitic
- Prior art date
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
- C08F22/00—Homopolymers and copolymers of compounds having one or more unsaturated aliphatic radicals each having only one carbon-to-carbon double bond, and at least one being terminated by a carboxyl radical and containing at least one other carboxyl radical in the molecule; Salts, anhydrides, esters, amides, imides or nitriles thereof
- C08F22/04—Anhydrides, e.g. cyclic anhydrides
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Polymerisation Methods In General (AREA)
- Furan Compounds (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US75867868A | 1968-09-10 | 1968-09-10 | |
| US75866968A | 1968-09-10 | 1968-09-10 | |
| US75867068A | 1968-09-10 | 1968-09-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH520718A true CH520718A (en) | 1972-03-31 |
Family
ID=27419517
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH1356169A CH520718A (en) | 1968-09-10 | 1969-09-08 | Process for homopolymerizing maleic, itaconic or aconitic anhydride |
Country Status (11)
| Country | Link |
|---|---|
| BE (1) | BE738613A (en) |
| CH (1) | CH520718A (en) |
| DE (1) | DE1944756B2 (en) |
| DK (1) | DK122968B (en) |
| ES (1) | ES371274A1 (en) |
| FI (1) | FI48278C (en) |
| FR (1) | FR2019418A1 (en) |
| GB (1) | GB1243583A (en) |
| NL (2) | NL6913737A (en) |
| NO (1) | NO127505B (en) |
| SE (1) | SE356523B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1369429A (en) * | 1970-11-30 | 1974-10-09 | Ciba Geigy Ag | Treatment of water or aqueous systems |
| EP0672070A1 (en) * | 1992-12-04 | 1995-09-20 | Akzo Nobel N.V. | Process for molecular weight regulation in (co)polymers |
-
0
- NL NL137604D patent/NL137604C/xx active
-
1969
- 1969-08-14 NO NO329969A patent/NO127505B/no unknown
- 1969-08-26 FI FI246869A patent/FI48278C/en active
- 1969-09-03 DE DE19691944756 patent/DE1944756B2/en active Pending
- 1969-09-06 ES ES371274A patent/ES371274A1/en not_active Expired
- 1969-09-08 CH CH1356169A patent/CH520718A/en not_active IP Right Cessation
- 1969-09-09 FR FR6930645A patent/FR2019418A1/fr not_active Withdrawn
- 1969-09-09 SE SE1243969A patent/SE356523B/xx unknown
- 1969-09-09 GB GB4450769A patent/GB1243583A/en not_active Expired
- 1969-09-09 BE BE738613D patent/BE738613A/xx unknown
- 1969-09-09 DK DK483169A patent/DK122968B/en unknown
- 1969-09-09 NL NL6913737A patent/NL6913737A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| FR2019418A1 (en) | 1970-07-03 |
| ES371274A1 (en) | 1971-09-01 |
| FI48278C (en) | 1974-08-12 |
| NL137604C (en) | |
| DE1944756A1 (en) | 1970-05-06 |
| DK122968B (en) | 1972-05-01 |
| BE738613A (en) | 1970-02-16 |
| DE1944756B2 (en) | 1971-02-18 |
| FI48278B (en) | 1974-04-30 |
| GB1243583A (en) | 1971-08-18 |
| SE356523B (en) | 1973-05-28 |
| NL6913737A (en) | 1970-03-12 |
| NO127505B (en) | 1973-07-02 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased |