Patent US2527162A successfully refreshed from Google Patents.
US2527162A
Expired / Lapsed
US
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Interpolymers of a styrene, an acrylonitrile, and a conjugated diolefin
Assignee: Standard Oil Development Co
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Filing: 1946-03-26
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Granted: 1950-10-24
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Expires: 1966-03-26
Abstract
No abstract record available.
Inventors
- 👤 Byron M Vanderbilt
- 👤 Bascom Frances
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:34
CPC Classifications
C; C08; C08F; C08F236/00; C08F236/02; C08F236/04; C08F236/10; C08L; C08L33/00; C08L33/18; C08L33/20; C08L9/00; C08L9/02; C08L2666/00; C08L2666/02; C08L2666/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
45 words
HARD, NAPHTHA-INSOLUBLE BENZENE-SOLUBLE RESINS SUITABLE FOR PROTECTIVE COATING CONSISTING OF FROM 50 TO 60 WEIGHT PERCENT OF COMBINED STYRENE IN POLYMERIC FORM, ABOUT 30 WEIGHT PERCENT OF COMBINED ACRYLONITRILE IN POLYMERIC FORM AND FROM 20 TO 10 WEIGHT PERCENT OF COMBINED BUTADIENE IN POLYMERIC FORM.
Claim 2
Dependent Claim
45 words
HARD, NAPHTHA-INSOLUBLE BENZENE-SOLUBLE RESINS SUITABLE FOR PROTECTIVE COATING CONSISTING OF FROM 50 TO 60 WEIGHT PERCENT OF COMBINED STYRENE IN POLYMERIC FORM, ABOUT 30 WEIGHT PERCENT OF COMBINED ACRYLONITRILE IN POLYMERIC FORM AND FROM 20 TO 10 WEIGHT PERCENT OF COMBINED BUTADIENE IN POLYMERIC FORM.
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) | 1953-10-23 | 1954-04-24 | 1954-10-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-10-23 | 1958-04-24 | 1958-10-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-10-23 | 1962-04-24 | 1962-10-24 | $7700.00 | Window Closed / Lapsed |