US2991258A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adhesive composition comprising the reaction product of a vinyl pyridine and a rubber, and method of making same
Assignee: Shell USA Inc
•
Filing: 1956-01-03
•
Granted: 1961-07-04
•
Expires: 1976-01-03
Abstract
No abstract record available.
Inventors
- 👤 Haward Robert Nobbs
- 👤 Katz Dov
- 👤 Roper Alec Norman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 21:20
CPC Classifications
C; C08; C08F; C08F36/00; C08F279/00; C08F279/02; Y; Y10; Y10S; Y10S156/00; Y10S156/91
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
85 words
THE POLYMER WHICH COMPRISES THE REACTION PRODUCT OBTAINED BY REACTING A MONO-VINYL PYRIDINE SELECTED FROM THE GROUP CONSISTING OF 2-VINYL PYRIDINE, 3-VINYL PYRIDINE, 4-VINYL PYRIDINE AND THE CORRESPONDING PYRIDINES HAVING LOWER ALKYL SUBSTITUENTS ON THE NUCLEUS THEREOF, AT LEAST ONE OTHER POLYMERIZABLE ORGANIC MONOMER CONTAINING A SINGLE CH2=C=GROUP AND WHICH IS LIQUID AT A TEMPERATURE FROM 0* TO 100* C. AND ATMOSPHERIC PRESSURE, AND A RUBBERY POLYMER SELECTED FROM THE GROUP CONSISTING OF NATURAL RUBBER, BUTADIENE-STYRENE COPOLYMER, BUTADIENEACRYLONITRILE COPOLYMER AND POLYCHLOROPRENE IN AN AQUEOUS EMULSION.
References Cited (Backward Citations)
CA499577A
Cited
US2561215A
Cited
US2462390A
Cited
US2614089A
Cited
US2744044A
Cited
US2859201A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-07-03 | 1965-01-02 | 1965-07-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-07-03 | 1969-01-02 | 1969-07-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-07-03 | 1973-01-02 | 1973-07-04 | $7700.00 | Window Closed / Lapsed |