US3736303A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vinylidene chloride copolymer
Assignee: Primary Products Ingredients Americas LLC
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Filing: 1971-06-24
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Granted: 1973-05-29
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Expires: 1991-06-24
Abstract
Abstract A STABLE POLYVINYLIDENE CHLORIDE LATEX COMPOSITION SUITABLE FOR COATING SUBSTRATES, PARTICULARLY UNPRIMED POLYETHYLENE AND POLYPROPYLENE, COMPRISING A COPOLYMER OF (A) 70 TO 95% BY WEIGHT VINYLIDENE CHLORIDE, (B) 0.1 TO 3% BY WEIGHT ETHYLENICALLY UNSATURATED SULFUR ACID HAVING SULFUR IN VALENCE STATE 6, (C) 0 TO 5% BY WEIGHT ETHYLENICALLY UNSATURATED CARBOXYLIC ACID AND (D) 2 TO 29.9% BY WEIGHT ETHYLENICALLY UNSATURATED MONOMER OTHER THAN (A), (B) OR (C).
Inventors
- 👤 D Smith
- 👤 H Peterson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 14:56
CPC Classifications
C; C09; C09D; C09D127/00; C09D127/02; C09D127/04; C09D127/08; C08; C08F; C08F214/00; C08F214/02; C08F214/04; C08F214/08; C08F259/00; C08F259/02; C08F259/06; C08F28/00
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) | 1976-05-28 | 1976-11-27 | 1977-05-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-05-28 | 1980-11-27 | 1981-05-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-05-28 | 1984-11-27 | 1985-05-29 | $7700.00 | Window Closed / Lapsed |