US3267180A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rubber reinforced styrene polymer containing a ketone to improve gloss
Assignee: Dow Chemical Co
•
Filing: 1963-07-03
•
Granted: 1966-08-16
•
Expires: 1983-07-03
Abstract
No abstract record available.
Inventors
- 👤 Ayres Sally Young
- 👤 Bernie A Kozakiewicz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 02:58
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/04; C08K5/07; C08L; C08L25/00; C08L25/02; C08L25/04; C08L25/06; C08L21/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
72 words
A COMPOSITION OF MATTER COMPRISING FROM ABOUT 80 TO 98 PERCENT BY WEIGHT OF RESINOUS THERMOPLASTIC STYRENE POLYMER AND FROM 20 TO 2 PERCENT BY WEIGHT OF RUBBERY BUTADIENE POLYMER INTIMATELY INCORPORATED WITH ON ANOTHER AND IN ADMIXTURE WITH FROM ABOUT 0.01 TO 1 PERCENT BY WEIGHT BASED ON THE WEIGHT OF THE COMPOSITION OF A KETONE HAVING THE GENERAL FORMULA )CNH2M+)2C0 WHEREIN N IS A WHOLE NUMBER FROM 8 TO 17.
Claim 2
Dependent Claim
72 words
A COMPOSITION OF MATTER COMPRISING FROM ABOUT 80 TO 98 PERCENT BY WEIGHT OF RESINOUS THERMOPLASTIC STYRENE POLYMER AND FROM 20 TO 2 PERCENT BY WEIGHT OF RUBBERY BUTADIENE POLYMER INTIMATELY INCORPORATED WITH ON ANOTHER AND IN ADMIXTURE WITH FROM ABOUT 0.01 TO 1 PERCENT BY WEIGHT BASED ON THE WEIGHT OF THE COMPOSITION OF A KETONE HAVING THE GENERAL FORMULA )CNH2M+)2C0 WHEREIN N IS A WHOLE NUMBER FROM 8 TO 17.
References Cited (Backward Citations)
US2098537A
Cited
US2658048A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-08-15 | 1970-02-14 | 1970-08-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-15 | 1974-02-14 | 1974-08-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-15 | 1978-02-14 | 1978-08-16 | $7700.00 | Window Closed / Lapsed |