Patent CA657031A successfully refreshed from Google Patents.
Patent US3249574A successfully refreshed from Google Patents.
US3249574A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polyester-vinyl monomer compositions containing hydrogen peroxide
Assignee: Elektrochemische Werke Muenchen AG
•
Filing: 1961-09-06
•
Granted: 1966-05-03
•
Expires: 1981-09-06
Abstract
No abstract record available.
Inventors
- 👤 Heinz W Meyer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 07:50
CPC Classifications
B; B21; B21D; B21D22/00; B21D22/14; B01; B01J; B01J31/00; B01J31/02; B01J31/0201; B01J31/0202; B01J31/0204; B01J31/0209; B01J31/0234; B01J31/0255; B01J31/0257; B01J31/0258; B21H; B21H1/00; B21H1/02; B21H1/04; C; C01; C01B; C01B15/00; C01B15/01; C01B15/022; C01B15/023; C01B15/037; C08; C08F; C08F283/00; C08F283/01; C08F4/00; C08F4/28; C08K; C08K5/00; C08K5/04; C08K5/10; C08L; C08L67/00; C08L67/06; Y; Y10; Y10S; Y10S260/00; Y10S260/28
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
184 words
A PROCESS WHICH COMPRISES COPOLYMERIZING AN UNSATURATED POLYESTER RESIN PREPARED BY REACTING A POLYHYDRIC ALCOHOL WITH A MEMBER OF THE GROUP CONSISTING OF ALPHA, BETA ETHYLENICALLY UNSATURATED DICARBOXYLIC ACIDS AND ANHYDRIDES THEREOF, WITH A LIQUID MONOMER CONTAINING A CH2=C< GROUP IN ADMIXTURE WITH O.1 TO 5 PERCENT BASED ON THE COMBINED WEIGHT OF SAID POLYESTER AND MONOMER, OF A PEROXIDE POLYMERIZATION CATALYST COMPRISING A HYDROGEN PEROXIDE SOLUTION CONTAINING ABOUT 10 TO 50 PERCENT BY WEIGHT OF H2O2 IN A SOLVENT SELECTED FROM THE GROUP CONSISTING OF ETHERS WHOSE OXYGEN-LINKED HYDROCARBON GROUPS ARE UNINTERRUPTED HYDROCARBON CHAINS OF NOT MORE THAN 4 CARBON ATOMS, ESTERS OF LOWER ALIPHATIC ALCOHILS, AND ESTERS OF ETHER ALCOHOLS, THE OXCYGEN-LINKED HYDROCARBON GROUPS OF SAID ETHER ALCOHOLS BEING UNINTERRUPTED HYDROCARBON CHAINS HAVING NOT MORE THAN 4 CARBON ATOMS, BOTH SAID ESTERS OF SAID ALCOHOLS AND SAID ETHER ALCOHOLS BEING ESTERS OF AN ACID SELECTED FROM THE GROUP CONSISTING OF ALIPHATIC MONOCARBOXYLIC ACIDS CONTAINING 1-4 ATOMS, ALIPHATIC DICARBOYXLIC ACIDS, ALICYCLIC AND AROMATIC CARBOXYLIC ACIDS, PHOSPHORIC ACID, CARBONIC ACID, AND MIXTURES THEREOF, SAID MONOMER BEING SUBSTANTIALLY THE ONLY SOLVENT FOR SAID POLYESTER RESIN.
Claim 2
Dependent Claim
184 words
A PROCESS WHICH COMPRISES COPOLYMERIZING AN UNSATURATED POLYESTER RESIN PREPARED BY REACTING A POLYHYDRIC ALCOHOL WITH A MEMBER OF THE GROUP CONSISTING OF ALPHA, BETA ETHYLENICALLY UNSATURATED DICARBOXYLIC ACIDS AND ANHYDRIDES THEREOF, WITH A LIQUID MONOMER CONTAINING A CH2=C< GROUP IN ADMIXTURE WITH O.1 TO 5 PERCENT BASED ON THE COMBINED WEIGHT OF SAID POLYESTER AND MONOMER, OF A PEROXIDE POLYMERIZATION CATALYST COMPRISING A HYDROGEN PEROXIDE SOLUTION CONTAINING ABOUT 10 TO 50 PERCENT BY WEIGHT OF H2O2 IN A SOLVENT SELECTED FROM THE GROUP CONSISTING OF ETHERS WHOSE OXYGEN-LINKED HYDROCARBON GROUPS ARE UNINTERRUPTED HYDROCARBON CHAINS OF NOT MORE THAN 4 CARBON ATOMS, ESTERS OF LOWER ALIPHATIC ALCOHILS, AND ESTERS OF ETHER ALCOHOLS, THE OXCYGEN-LINKED HYDROCARBON GROUPS OF SAID ETHER ALCOHOLS BEING UNINTERRUPTED HYDROCARBON CHAINS HAVING NOT MORE THAN 4 CARBON ATOMS, BOTH SAID ESTERS OF SAID ALCOHOLS AND SAID ETHER ALCOHOLS BEING ESTERS OF AN ACID SELECTED FROM THE GROUP CONSISTING OF ALIPHATIC MONOCARBOXYLIC ACIDS CONTAINING 1-4 ATOMS, ALIPHATIC DICARBOYXLIC ACIDS, ALICYCLIC AND AROMATIC CARBOXYLIC ACIDS, PHOSPHORIC ACID, CARBONIC ACID, AND MIXTURES THEREOF, SAID MONOMER BEING SUBSTANTIALLY THE ONLY SOLVENT FOR SAID POLYESTER RESIN.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-05-02 | 1969-11-01 | 1970-05-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-02 | 1973-11-01 | 1974-05-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-02 | 1977-11-01 | 1978-05-03 | $7700.00 | Window Closed / Lapsed |