US3758431A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hot melt compositions
Assignee: Individual
•
Filing: 1971-06-03
•
Granted: 1973-09-11
•
Expires: 1991-06-03
Abstract
Abstract HOT MELT COMPOSITIONS CONTAINING COPOLYMER OF ETHYLENE AND VINYL ACETATE AND/OR ALKYL ACRYLATE WHEREIN THE ALKYL GROUP CONTAINS 1-18 CARBON ATOMS; ESTER OF ROSIN AND POLYHYDRIC ALCOHOLS; AND ESTER OF POLYHYDRIC ALCOHOL AND DIMER AND/OR TIMER OF FATTY ACID ARE PARTICULARLY USEFUL AS CARPET BACKING ADHESIVES.
Inventors
- 👤 D Taft
- 👤 T Shepler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 20:29
CPC Classifications
C; C09; C09J; C09J131/00; C09J131/02; C09J131/04; C09D; C09D123/00; C09D123/02; C09D123/04; C09D123/08; C09J133/00; C09J133/04; C09J133/06; C09J133/08; C08; C08L; C08L2666/00; C08L2666/02; C08L2666/28; C08L2666/34; C09J2301/00; C09J2301/30; C09J2301/304
Claims Analysis
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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) | 1976-09-10 | 1977-03-12 | 1977-09-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-09-10 | 1981-03-12 | 1981-09-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-09-10 | 1985-03-12 | 1985-09-11 | $7700.00 | Window Closed / Lapsed |