US3753940A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for preparing vinylidene chloride copolymer latex coating compositions
Assignee: WR Grace and Co Conn
•
Filing: 1971-05-18
•
Granted: 1973-08-21
•
Expires: 1991-05-18
Abstract
Abstract VINYLIDENE CHLORIDE COPOLYMER LATEX COATING COMPOSITIONS CONTAINING CARBOXYLIC ACID COMONOMER AND EXHIBITING IMPROVED ADHESION QUALITIES TO DIFFICULTLY-ADHERABLE SUBSTRATES SUCH AS NYLON, ARE PREPARED BY REGULATING THE ADDITION OF THE ACID COMONOMER TO THE POLYMERIZATION ZONE.
Inventors
- 👤 A Trofimow
- 👤 N Mader
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 09:01
CPC Classifications
C; C08; C08F; C08F214/00; C08F214/02; C08F214/04; C08F214/08
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1976-08-20 | 1977-02-19 | 1977-08-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-08-20 | 1981-02-19 | 1981-08-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-08-20 | 1985-02-19 | 1985-08-21 | $7700.00 | Window Closed / Lapsed |