Patent US3274291A successfully refreshed from Google Patents.
US3274291A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mixtures of unsaturated polyesters and monomeric ethylene compounds copolymerizable therewith containing cobalt salts and a member of the group of arsines, stibenes, andphosphines
Assignee: Bayer AG
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Filing: 1962-06-08
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Granted: 1966-09-20
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Expires: 1982-06-08
Abstract
No abstract record available.
Inventors
- 👤 Raichle Karl
- 👤 Rudolph Hans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 19:09
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/49; C08K5/50; C08F; C08F283/00; C08F283/01; C08K5/59
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
81 words
A POLYMERIZATION MIXTURE WHICH IS HARDENABLE AT ROOM TEMPERATURE BY THE ADDITION OF A KETONE PEROXIDE POLYMERIZATION INITIATOR COMPRISING: (A) AN UNSATURATED POLYESTER PREPARED FROM AN A,BUNSATURATED DICARBOXYLIC ACID AND A POLYHYDRIC ALCOHOL, SAID POLYESTER HAVING AN ACID NUMBER BELOW ABOUT 50 (B) A MONOMERIC ETHYLENICALLY UNSATURATED COMPOUND CO-POLYMERIZABLE THEREWITH (C) A COBALT ACCELERATOR (D) FROM 0.01 TO 0.1 PERCENT BY WEIGHT OF A MEMBER SELECTED FROM THE GROUP CONSISTING OF PHOSPHINES, ARSINES AND STIBINES AND (E) AN ACIDIC GREEN-COLORATION INHIBITOR.
Claim 2
Dependent Claim
81 words
A POLYMERIZATION MIXTURE WHICH IS HARDENABLE AT ROOM TEMPERATURE BY THE ADDITION OF A KETONE PEROXIDE POLYMERIZATION INITIATOR COMPRISING: (A) AN UNSATURATED POLYESTER PREPARED FROM AN A,BUNSATURATED DICARBOXYLIC ACID AND A POLYHYDRIC ALCOHOL, SAID POLYESTER HAVING AN ACID NUMBER BELOW ABOUT 50 (B) A MONOMERIC ETHYLENICALLY UNSATURATED COMPOUND CO-POLYMERIZABLE THEREWITH (C) A COBALT ACCELERATOR (D) FROM 0.01 TO 0.1 PERCENT BY WEIGHT OF A MEMBER SELECTED FROM THE GROUP CONSISTING OF PHOSPHINES, ARSINES AND STIBINES AND (E) AN ACIDIC GREEN-COLORATION INHIBITOR.
Claim 3
Dependent Claim
76 words
A POLYMERIZATION MIXTURE WHICH IS HARDENABLE AT ROOM TEMPERATURE BY THE ADDITION OF A KETONE PEROXIDE POLYMERIZATION INITIATOR COMPRISIN: (A) AN UNSATURATED POLYESTER PREPARED FROM AN A,BUNSATURATED DICARBOXYLIC ACID AND A POLYHYDRIC ALCOHOL, SAID POLYESTER HAVING AN ACID NUMBER ABOVE ABOUT 50 (B) A MONOMERIC ETHYLENICALLY UNSATURATED COMPOUND CO-POLYMERIZABLE THEREWIITH 8C) A COBALT ACCELERATOR AND (D) FROM 0.01 TO 0.1 PERCENT BY WEIGHT OF A MEMBER SELECTED FROM THE GROUP CONSISTING OF PHOSPHINES, DAARSINES AND STIBINES.
Claim 4
Dependent Claim
76 words
A POLYMERIZATION MIXTURE WHICH IS HARDENABLE AT ROOM TEMPERATURE BY THE ADDITION OF A KETONE PEROXIDE POLYMERIZATION INITIATOR COMPRISIN: (A) AN UNSATURATED POLYESTER PREPARED FROM AN A,BUNSATURATED DICARBOXYLIC ACID AND A POLYHYDRIC ALCOHOL, SAID POLYESTER HAVING AN ACID NUMBER ABOVE ABOUT 50 (B) A MONOMERIC ETHYLENICALLY UNSATURATED COMPOUND CO-POLYMERIZABLE THEREWIITH 8C) A COBALT ACCELERATOR AND (D) FROM 0.01 TO 0.1 PERCENT BY WEIGHT OF A MEMBER SELECTED FROM THE GROUP CONSISTING OF PHOSPHINES, DAARSINES AND STIBINES.
References Cited (Backward Citations)
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Cited
US2543635A
Cited
US2520601A
Cited
US2652382A
Cited
GB790940A
Cited
GB822713A
Cited
US3001967A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-09-19 | 1970-03-21 | 1970-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-19 | 1974-03-21 | 1974-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-19 | 1978-03-21 | 1978-09-20 | $7700.00 | Window Closed / Lapsed |