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
•
Filing: 1962-06-08
•
Granted: 1966-09-20
•
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 05:41
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)
CA579190A
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 |