US2813055A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Improved process for bonding material by means of compositions comprising ethylenically unsaturated polyesters and polymerizable olefinic monomers
Assignee: Bayer AG
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Filing: 1953-07-07
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Granted: 1957-11-12
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Expires: 1973-07-07
Abstract
No abstract record available.
Inventors
- 👤 Nischk Gunther
- 👤 Muller Erwin
- 👤 Bayer Otto
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 22:44
CPC Classifications
C; C09; C09J; C09J167/00; C09J167/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
91 words
A PROCESS OF BONDING MATERIALS WHICH COMPRISES COPOLYMERIZING AT THE BONDING SURFACESM A MIXTURE OF A POLYMERIZATION PRODUCT CONATINING CARBOXYL GROUPS OBTAINED BY CHEMICAL ADDITION OF (1) AN ANHYDRIDE OF AN ETHYLENICALLY UNSATURATED ALIPHATIC CARBOXYLIC ACID AND (2) A POLYESTER HAVING HYDROXYL END GROUPS AND BEING DEVOID OF ALIPHATIC CARBON TO CARBON UNSATURATION, SAID POLYESTER BEING DERIVED FROM A POLYHYDRIC ALCOHOL AND A POLYCARBOXYLIC ACID, WITH AT LEAST ONE POLYMERIZABLE MONOMERIC OLEFINIC COMPOUND, IN WHICH PROCESS AT LEAST ONE OF THE COMPONENTS (1) AND (2) CONTAINS AT LEAST ONE ETHER OXYGEN.
Claim 2
Dependent Claim
91 words
A PROCESS OF BONDING MATERIALS WHICH COMPRISES COPOLYMERIZING AT THE BONDING SURFACESM A MIXTURE OF A POLYMERIZATION PRODUCT CONATINING CARBOXYL GROUPS OBTAINED BY CHEMICAL ADDITION OF (1) AN ANHYDRIDE OF AN ETHYLENICALLY UNSATURATED ALIPHATIC CARBOXYLIC ACID AND (2) A POLYESTER HAVING HYDROXYL END GROUPS AND BEING DEVOID OF ALIPHATIC CARBON TO CARBON UNSATURATION, SAID POLYESTER BEING DERIVED FROM A POLYHYDRIC ALCOHOL AND A POLYCARBOXYLIC ACID, WITH AT LEAST ONE POLYMERIZABLE MONOMERIC OLEFINIC COMPOUND, IN WHICH PROCESS AT LEAST ONE OF THE COMPONENTS (1) AND (2) CONTAINS AT LEAST ONE ETHER OXYGEN.
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) | 1960-11-11 | 1961-05-13 | 1961-11-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-11-11 | 1965-05-13 | 1965-11-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-11-11 | 1969-05-13 | 1969-11-12 | $7700.00 | Window Closed / Lapsed |