Patent US3756974A successfully refreshed from Google Patents.
US3756974A
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US
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Latex composition
Assignee: GAF Chemicals Corp
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Filing: 1971-08-27
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Granted: 1973-09-04
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Expires: 1991-08-27
Abstract
Abstract A LATEX PREPARED BY EMULSION CO-POLYMERIZATION OF A MONOMER MIXTURE CONTAINING AN ALIPHATIC CONJUGATED DIENE, A MONOALKENYL AROMATIC MONOMER, AN UNSATURATED ALIPHATIC CARBOXYLIC ACID AND AS SURFACTANT A POLY (N-VINYL LACTAM).
Inventors
- 👤 W Buchheim
- 👤 W Bonds
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 17:51
CPC Classifications
C; C08; C08F; C08F236/00; C08F236/02; C08F236/04; C08F271/00; C08F271/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-09-03 | 1977-03-05 | 1977-09-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-09-03 | 1981-03-05 | 1981-09-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-09-03 | 1985-03-05 | 1985-09-04 | $7700.00 | Window Closed / Lapsed |