Patent US3170806A successfully refreshed from Google Patents.
US3170806A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heat settable butadiene-styrene coating mixtures
Assignee: Dearborn Chemical Co
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Filing: 1963-02-01
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Granted: 1965-02-23
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Expires: 1983-02-01
Abstract
No abstract record available.
Inventors
- 👤 Joseph G Svrchek
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 15:20
CPC Classifications
C; C09; C09D; C09D109/00; C09D109/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
89 words
A COMPOSITION SETTABLE BY HEAT INTO AN IMPERVIOUS PROTECTIVE COATING COMPRISING A MIXTURE WHOSE SOLIDS CONTENT CONTAINS FROM 5 TO 40% OF (A) A VISCOUS LIQUID BUTADIENE-STYRENE COPOLYMER CONTAINING FROM 75 TO 85% BUTADIENE AND 15 TO 25% STYRENE AND FROM 60 TO 95% OF (B) A PARTLY OXIDIZED BUTADIENE-STYRENE COPOLYMER CONTAINING FROM 75 TO 85% BUTADIENE AND 15 TO 25% STYRENE, SAID PARTLY OXIDIZED POLYMER HAVING BEEN OXIDIZED TO THE EXTENT OF ASSIMILATING FROM ABOUT 5 TO 20% OF ITS WEIGHT IN OXYGEN, AND A SOLVENT FOR (B).
Claim 2
Dependent Claim
89 words
A COMPOSITION SETTABLE BY HEAT INTO AN IMPERVIOUS PROTECTIVE COATING COMPRISING A MIXTURE WHOSE SOLIDS CONTENT CONTAINS FROM 5 TO 40% OF (A) A VISCOUS LIQUID BUTADIENE-STYRENE COPOLYMER CONTAINING FROM 75 TO 85% BUTADIENE AND 15 TO 25% STYRENE AND FROM 60 TO 95% OF (B) A PARTLY OXIDIZED BUTADIENE-STYRENE COPOLYMER CONTAINING FROM 75 TO 85% BUTADIENE AND 15 TO 25% STYRENE, SAID PARTLY OXIDIZED POLYMER HAVING BEEN OXIDIZED TO THE EXTENT OF ASSIMILATING FROM ABOUT 5 TO 20% OF ITS WEIGHT IN OXYGEN, AND A SOLVENT FOR (B).
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) | 1968-02-23 | 1968-08-24 | 1969-02-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-02-23 | 1972-08-24 | 1973-02-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-02-23 | 1976-08-24 | 1977-02-23 | $7700.00 | Window Closed / Lapsed |