Patent US3269977A successfully refreshed from Google Patents.
US3269977A
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Molding composition from a polyester resin containing anthracene
Assignee: Bayer AG
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Filing: 1961-08-22
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Granted: 1966-08-30
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Expires: 1981-08-22
Abstract
No abstract record available.
Inventors
- 👤 Andres Karlheinz
- 👤 Nischk Gunther
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:03
CPC Classifications
C; C08; C08G; C08G63/00; C08G63/66; C08G63/668; C08G63/676; C08G63/02; C08G63/12; C08G63/52; C08G63/54; C08G63/553; C08K; C08K3/00; C08K3/18; C08K3/20; C08K3/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
104 words
A STORAGE-STABLE POLYMERIZABLE MIXTURE COMPRISING (1) A POLYMERIZABLE LENEAR POLYESTER RESIN, COMPRISED OF THE REACTION PRODUCT OF (A) AN A,B-OLEFINICALLY UNSATURATED DICARBOXYLIC ACID AND (B) AN ALIPHATIC DIHYDRIC ALCOHOL CONTAINING FROM 1 TO 3 ETHER GROUPS, AND WITH (C) ANTHRACENE, THE MOLAR RATIO BETWEEN ANTHRACENE AND A,BUNSATURATED DICARBOXYLIC ACID BEING WITHIN 1:20 AND 1:8, (2) A COPOLYMERIZABLE VINYLIDENE MONOMER, (3) A METAL OIXDE SELECTED FROM THE GROUP CONSISTING OF MAGNESIUM OXIDE AND BERYLLIUM OXIDE IN AN AMOUNT OF FROM 0.3 TO 10% BY WEIGHT, BASED ON THE TOTOAL AMOUNT OF POLYMERIZABLE LINEAR POLYESTER RESIN AND VINYLIDENE MONOMER, AND (4) AN ORGANIC PEROIXIDE POLYMERIZATION CATALYST.
Claim 2
Dependent Claim
104 words
A STORAGE-STABLE POLYMERIZABLE MIXTURE COMPRISING (1) A POLYMERIZABLE LENEAR POLYESTER RESIN, COMPRISED OF THE REACTION PRODUCT OF (A) AN A,B-OLEFINICALLY UNSATURATED DICARBOXYLIC ACID AND (B) AN ALIPHATIC DIHYDRIC ALCOHOL CONTAINING FROM 1 TO 3 ETHER GROUPS, AND WITH (C) ANTHRACENE, THE MOLAR RATIO BETWEEN ANTHRACENE AND A,BUNSATURATED DICARBOXYLIC ACID BEING WITHIN 1:20 AND 1:8, (2) A COPOLYMERIZABLE VINYLIDENE MONOMER, (3) A METAL OIXDE SELECTED FROM THE GROUP CONSISTING OF MAGNESIUM OXIDE AND BERYLLIUM OXIDE IN AN AMOUNT OF FROM 0.3 TO 10% BY WEIGHT, BASED ON THE TOTOAL AMOUNT OF POLYMERIZABLE LINEAR POLYESTER RESIN AND VINYLIDENE MONOMER, AND (4) AN ORGANIC PEROIXIDE POLYMERIZATION CATALYST.
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) | 1969-08-29 | 1970-02-28 | 1970-08-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-29 | 1974-02-28 | 1974-08-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-29 | 1978-02-28 | 1978-08-30 | $7700.00 | Window Closed / Lapsed |