Patent US3025277A successfully refreshed from Google Patents.
US3025277A
Expired / Lapsed
US
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Copolymers comprised of aliphatic conjugated diethylenically unsaturated compounds and beta-trichlorostyrene
Assignee: Dow Chemical Co
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Filing: 1958-06-30
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Granted: 1962-03-13
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Expires: 1978-06-30
Abstract
No abstract record available.
Inventors
- 👤 George B Sterling
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 03:06
CPC Classifications
C; C08; C08F; C08F212/00; C08F212/02; C08F212/04; C08F212/14; C08F212/16; C08F212/18; C08F236/00; C08F236/02; C08F236/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
50 words
A POLYMERIC COMPOSITION OF MATTER COMPRISING A COPOLYMER SELECTED FROM THE GROUP CONSISTING OF (1) COPOLYMERS CONTAINING IN CHEMICALLY COMBINED FORM FROM 3 TO 55 PERCENT BY WEIGHT OF BETA-TRICHLOROSTYRENE AND FROM 97 TO 45 PERCENT OF AT LEAST ONE ALIPHATIC CONJUGATED DIETHYLENICALLY UNSATURATED ORGANIC COMPOUND HAVING THE GENERAL FORMULA:
Claim 2
Dependent Claim
50 words
A POLYMERIC COMPOSITION OF MATTER COMPRISING A COPOLYMER SELECTED FROM THE GROUP CONSISTING OF (1) COPOLYMERS CONTAINING IN CHEMICALLY COMBINED FORM FROM 3 TO 55 PERCENT BY WEIGHT OF BETA-TRICHLOROSTYRENE AND FROM 97 TO 45 PERCENT OF AT LEAST ONE ALIPHATIC CONJUGATED DIETHYLENICALLY UNSATURATED ORGANIC COMPOUND HAVING THE GENERAL FORMULA:
References Cited (Backward Citations)
CA470582A
Cited
CA500740A
Cited
GB585582A
Cited
US2709140A
Cited
US2791571A
Cited
US2803675A
Cited
US2829179A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-03-12 | 1965-09-11 | 1966-03-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-03-12 | 1969-09-11 | 1970-03-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-03-12 | 1973-09-11 | 1974-03-13 | $7700.00 | Window Closed / Lapsed |