US2625523A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polymer composition and process of preparing same
Assignee: Standard Oil Development Co
•
Filing: 1945-12-29
•
Granted: 1953-01-13
•
Expires: 1965-12-29
Abstract
No abstract record available.
Inventors
- 👤 John D Garber
- 👤 William J Sparks
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 23:47
CPC Classifications
C; C08; C08F; C08F236/00; C08F236/02; C08F236/04; C08F36/00; C08F36/02; C08F36/04; Y; Y10; Y10S; Y10S159/00; Y10S159/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
65 words
A SURFACE COATING COMPOSITION COMPRISING IN COMBINATION A HEAT-BODIED SOLID, HYDROCARBON SOLUBLE, HARD, LOW ELONGATION POLYMER OF A MAJOR PROPORTION OF BUTADIENE WITH A MINOR SIGNIFICANT PROPORTION OF ISOOCTENE PREPARED BY THE ACTION OF A FRIEDEL-CRAFTS CATALYST AT A TEMPERATURE BETWEEN +10* C. AND -40* C., SAID POLYMER HAVING BEEN HEAT-BODIED AT A TEMPERATURE BETWEEN 200* C. AND 350* C., IN COMBINATION WITH LINSEED OIL.
Claim 2
Dependent Claim
65 words
A SURFACE COATING COMPOSITION COMPRISING IN COMBINATION A HEAT-BODIED SOLID, HYDROCARBON SOLUBLE, HARD, LOW ELONGATION POLYMER OF A MAJOR PROPORTION OF BUTADIENE WITH A MINOR SIGNIFICANT PROPORTION OF ISOOCTENE PREPARED BY THE ACTION OF A FRIEDEL-CRAFTS CATALYST AT A TEMPERATURE BETWEEN +10* C. AND -40* C., SAID POLYMER HAVING BEEN HEAT-BODIED AT A TEMPERATURE BETWEEN 200* C. AND 350* C., IN COMBINATION WITH LINSEED OIL.
References Cited (Backward Citations)
US2039364A
Cited
US2374242A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-01-13 | 1956-07-14 | 1957-01-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-01-13 | 1960-07-14 | 1961-01-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-01-13 | 1964-07-14 | 1965-01-13 | $7700.00 | Window Closed / Lapsed |