US2510090A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heat reaction product of phosphoric acid and butadiene-acrylonitrile copolymer and method of preparation
Assignee: Individual
•
Filing: 1945-07-14
•
Granted: 1950-06-06
•
Expires: 1965-07-14
Abstract
No abstract record available.
Inventors
- 👤 Masi Alberic T Di
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 06:25
CPC Classifications
C; C08; C08C; C08C19/00; C08C19/24; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31725; Y10T428/31739; Y10T428/31743; Y10T428/31855; Y10T428/31909; Y10T428/31928
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
71 words
AN ADHESIVE COMPOSITION COMPRISING THE HEAT REACTION PRODUCT OF A MIXTURE INCLUDING AS THE SOLE ESSENTIAL REACTIVE CONSTITUENTS A COPOLYMER OF BUTADIENE AND ACRYLONITRILE HAVING A MOLECULE WEIGHT OF FROM ABOUT 50,000 TO ABOUT 150,000 AND CONTAINING FROM ABOUT 15% TO ABOUT 50% ACRYLONITRILE AND A PHOSPHORIC ACID SELECTED FROM THE GROUP CONSISTING OF OTHO-PHOSPHORIC ACID AND PYRO-PHOSPHORIC ACID, THE ADHESIVE COMPOSITION HAVING A PH OF FROM ABOUT 3 TO 7.
Claim 2
Dependent Claim
71 words
AN ADHESIVE COMPOSITION COMPRISING THE HEAT REACTION PRODUCT OF A MIXTURE INCLUDING AS THE SOLE ESSENTIAL REACTIVE CONSTITUENTS A COPOLYMER OF BUTADIENE AND ACRYLONITRILE HAVING A MOLECULE WEIGHT OF FROM ABOUT 50,000 TO ABOUT 150,000 AND CONTAINING FROM ABOUT 15% TO ABOUT 50% ACRYLONITRILE AND A PHOSPHORIC ACID SELECTED FROM THE GROUP CONSISTING OF OTHO-PHOSPHORIC ACID AND PYRO-PHOSPHORIC ACID, THE ADHESIVE COMPOSITION HAVING A PH OF FROM ABOUT 3 TO 7.
References Cited (Backward Citations)
US2137584A
Cited
GB536876A
Cited
US2380473A
Cited
US2277941A
Cited
US2378695A
Cited
US2395071A
Cited
US2379552A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-06-05 | 1953-12-05 | 1954-06-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-06-05 | 1957-12-05 | 1958-06-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-06-05 | 1961-12-05 | 1962-06-06 | $7700.00 | Window Closed / Lapsed |