US2916465A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydrocarbon soluble conversion products of isomerized rubber and styrene and their production
Assignee: Individual
•
Filing: 1956-10-09
•
Granted: 1959-12-08
•
Expires: 1976-10-09
Abstract
No abstract record available.
Inventors
- 👤 Reese Johannes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 18:56
CPC Classifications
C; C08; C08C; C08C19/00; C08C19/28
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
59 words
A COPOLYMER FORMING CLEAR SOLUTION IN MINERAL SPIRITS COMPRISING A COMPOLYMER OF ISOMERIZED RUBBER, A MONOVINYL BENZENE SELECTED FROM THE GROUP CONSISTING OF STYRENE AND METHYL STYRENE IN A QUANTITY AT LEAST 70 PERCENT OF THE QUANTITY OF SAID ISOMERIZED RUBBER, AND A QUANTITY OF BUTYL METHACRYLATE BETWEEN ABOUT 3 AND 50% OF THE QUANTITY OF SAID MONOVINYL BENZENE.
Claim 2
Dependent Claim
59 words
A COPOLYMER FORMING CLEAR SOLUTION IN MINERAL SPIRITS COMPRISING A COMPOLYMER OF ISOMERIZED RUBBER, A MONOVINYL BENZENE SELECTED FROM THE GROUP CONSISTING OF STYRENE AND METHYL STYRENE IN A QUANTITY AT LEAST 70 PERCENT OF THE QUANTITY OF SAID ISOMERIZED RUBBER, AND A QUANTITY OF BUTYL METHACRYLATE BETWEEN ABOUT 3 AND 50% OF THE QUANTITY OF SAID MONOVINYL BENZENE.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-12-07 | 1963-06-08 | 1963-12-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-12-07 | 1967-06-08 | 1967-12-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-12-07 | 1971-06-08 | 1971-12-08 | $7700.00 | Window Closed / Lapsed |