US2549558A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Asphalt resin compositions
Assignee: Standard Oil Development Co
•
Filing: 1947-06-28
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Granted: 1951-04-17
•
Expires: 1967-06-28
Abstract
No abstract record available.
Inventors
- 👤 David W Young
- 👤 John D Garber
- 👤 William J Sparks
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 11:38
CPC Classifications
C; C08; C08L; C08L95/00; C08F; C08F36/00; C08F36/02; C08F36/04; C09; C09D; C09D195/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
62 words
A PROCESS FOR PREPARING A PAINT WHICH COMPRISES HEATING TO 294* C. A MIXTURE OF 81% GILSONITE ASPHALT, 10% LINSEED OIL, 5% HYDROCARBON RESIN CONSISTING OF 60% BUTADIENE, AND 40% DILSOBUTYLENE, AND 4% OF ASBESTOS TO OBTAIN A SOULTION OF UNIFORM COMPOSITION, AND ADDING A VOLATILE THINNER CONSISTING OF 13% XYLOL, AND 87% OF PETROLEUM THINNER, DISTILLING BETWEEN 210* AND 400* F.
Claim 2
Dependent Claim
62 words
A PROCESS FOR PREPARING A PAINT WHICH COMPRISES HEATING TO 294* C. A MIXTURE OF 81% GILSONITE ASPHALT, 10% LINSEED OIL, 5% HYDROCARBON RESIN CONSISTING OF 60% BUTADIENE, AND 40% DILSOBUTYLENE, AND 4% OF ASBESTOS TO OBTAIN A SOULTION OF UNIFORM COMPOSITION, AND ADDING A VOLATILE THINNER CONSISTING OF 13% XYLOL, AND 87% OF PETROLEUM THINNER, DISTILLING BETWEEN 210* AND 400* F.
References Cited (Backward Citations)
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US2047889A
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Cited
US2276893A
Cited
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-04-16 | 1954-10-16 | 1955-04-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-04-16 | 1958-10-16 | 1959-04-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-04-16 | 1962-10-16 | 1963-04-17 | $7700.00 | Window Closed / Lapsed |