US2657189A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dilute alkali dispersible hot melt bookbinding adhesives
Assignee: EIDP Inc
•
Filing: 1949-12-08
•
Granted: 1953-10-27
•
Expires: 1969-12-08
Abstract
No abstract record available.
Inventors
- 👤 Pinkney Paul Swithin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 20:50
CPC Classifications
C; C09; C09J; C09J131/00; C09J131/02; C09J131/04; C08; C08L; C08L2666/00; C08L2666/02; C08L2666/24; Y; Y10; Y10S; Y10S156/00; Y10S156/908; Y10S526/00; Y10S526/935; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1034; Y10T156/1052; Y10T156/108; Y10T156/1089
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
67 words
A THERMOPLASTIC ADHERSIVE COMPOSITION WHICH IS CHARACTERIZED BY THE RETENTION OF ITS THERMOPLASTIC PROPERTIES AFTER IT HAS BEEN HEATED TO 160* C. FOR AN EXTENDED PERIOD OF TIME, WHICH COMPRISES ONE PART OF A COPOLYMER OF FROM 90 TO 98 PARTS OF VINYL ACETATE AND 10 TO 2 PARTS OF CROTONIC ACID, AND FROM 1/2 TO 2 PARTS OF LIQUEFYING SOFTENER CONSISTING ESSENTIALLY OF A CHLORINATED DIPHENYL.
Claim 2
Dependent Claim
67 words
A THERMOPLASTIC ADHERSIVE COMPOSITION WHICH IS CHARACTERIZED BY THE RETENTION OF ITS THERMOPLASTIC PROPERTIES AFTER IT HAS BEEN HEATED TO 160* C. FOR AN EXTENDED PERIOD OF TIME, WHICH COMPRISES ONE PART OF A COPOLYMER OF FROM 90 TO 98 PARTS OF VINYL ACETATE AND 10 TO 2 PARTS OF CROTONIC ACID, AND FROM 1/2 TO 2 PARTS OF LIQUEFYING SOFTENER CONSISTING ESSENTIALLY OF A CHLORINATED DIPHENYL.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-10-26 | 1957-04-27 | 1957-10-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-10-26 | 1961-04-27 | 1961-10-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-10-26 | 1965-04-27 | 1965-10-27 | $7700.00 | Window Closed / Lapsed |