Patent US2884400A successfully refreshed from Google Patents.
US2884400A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polychloroprene and butadiene-styrene copolymer adhesive composition and process of preparing same
Assignee: Armstrong World Industries Inc
•
Filing: 1954-12-10
•
Granted: 1959-04-28
•
Expires: 1974-12-10
Abstract
No abstract record available.
Inventors
- 👤 Clarence D Moore
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 19:34
CPC Classifications
C; C09; C09J; C09J111/00; C09J109/00; C09J109/06; C09J119/00; C09J119/003; C09J121/00; C08; C08L; C08L2666/00; C08L2666/02; C08L2666/04; C08L2666/08; Y; Y10; Y10S; Y10S273/00; Y10S273/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
59 words
THE METHOD OF MAKING A RUBBER-BASE ADHESIVE WHICH COMPRISES BLENDING TOGETHER A POLYCHLOROPRENE AND A RUBBERY BUTADIENE-STYRENE COPOLYMER, HEATING SAID BLEND TO A TEMPERATURE IN THE RANGE OF ABOUT 230*-325* F. TO SELECTIVELY CURE SAID POLYCHLOROPRENE BY THE AGENCY OF HEAT WHILE MAINTAINING SAID COPOLYMER UNCURED, AND DISPERSING THE RESULTING PRODUCT IN A SOLVENT FOR SAID SELECTIVELY CURED BLEND.
Claim 2
Independent Claim
59 words
THE METHOD OF MAKING A RUBBER-BASE ADHESIVE WHICH COMPRISES BLENDING TOGETHER A POLYCHLOROPRENE AND A RUBBERY BUTADIENE-STYRENE COPOLYMER, HEATING SAID BLEND TO A TEMPERATURE IN THE RANGE OF ABOUT 230*-325* F. TO SELECTIVELY CURE SAID POLYCHLOROPRENE BY THE AGENCY OF HEAT WHILE MAINTAINING SAID COPOLYMER UNCURED, AND DISPERSING THE RESULTING PRODUCT IN A SOLVENT FOR SAID SELECTIVELY CURED BLEND.
References Cited (Backward Citations)
GB530512A
Cited
GB596716A
Cited
US2540596A
Cited
US2658050A
Cited
US2541550A
Cited
US2522277A
Cited
US2767152A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-04-27 | 1962-10-27 | 1963-04-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-04-27 | 1966-10-27 | 1967-04-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-04-27 | 1970-10-27 | 1971-04-28 | $7700.00 | Window Closed / Lapsed |