US3344205A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Low viscosity rubber-styrene interpq- lymerizable compositions and their preparation
Assignee: —
•
Filing: 1964-02-10
•
Granted: 1967-09-26
•
Expires: 1984-02-10
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 12:30
CPC Classifications
C; C08; C08F; C08F279/00; C08F279/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
61 words
IN A METHOD OF INTERPOLYMERIZING 99 TO 70 PARTS BY WEIGHT OF A VINYL ARENE AND 1 TO 30 PARTS BY WEIGHT OF A DIENE-BASED ELASTOMER, THE STEPS OF DISPERSING SAID ELASTOMER VINYL ARENE TOGETHER WITH 0.005-1% BASED ON SAID MONOMER OF AN ALKYLPHENOXY POLYETHYOXY ETHANOL AND THEREAFTER INTERPOLYMERIZING THE VINYL RENE AND ELASTOMER, SAID POLYETHOXY ETHANOL HAVING THE GENERAL FORMULA
Claim 2
Dependent Claim
61 words
IN A METHOD OF INTERPOLYMERIZING 99 TO 70 PARTS BY WEIGHT OF A VINYL ARENE AND 1 TO 30 PARTS BY WEIGHT OF A DIENE-BASED ELASTOMER, THE STEPS OF DISPERSING SAID ELASTOMER VINYL ARENE TOGETHER WITH 0.005-1% BASED ON SAID MONOMER OF AN ALKYLPHENOXY POLYETHYOXY ETHANOL AND THEREAFTER INTERPOLYMERIZING THE VINYL RENE AND ELASTOMER, SAID POLYETHOXY ETHANOL HAVING THE GENERAL FORMULA
References Cited (Backward Citations)
US2943075A
Cited
US3244661A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-09-25 | 1971-03-27 | 1971-09-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-25 | 1975-03-27 | 1975-09-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-25 | 1979-03-27 | 1979-09-26 | $7700.00 | Window Closed / Lapsed |