US2537136A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coating composition
Assignee: Standard Oil Development Co
•
Filing: 1949-02-01
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Granted: 1951-01-09
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Expires: 1969-02-01
Abstract
No abstract record available.
Inventors
- 👤 Albert C Henn
- 👤 Gathman Albert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 11:55
CPC Classifications
C; C09; C09D; C09D127/00; C09D127/02; C09D127/04; C09D127/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
77 words
A COATING COMPOSITION CONSISTING OF A RESINOUS HOMOPOLYMER OF POLYMERIZED VINYL CHLORIDE HAVING A MOLECULAR WEIGHT IN THE RANGE OF 5,000 TO 50,000, SAID HOMOPOLYMER BEING PRESENT IN AN AMOUNT OF ABOUT 5 WEIGHT PERCENT, DISSOLVED IN A SOLVENT MEDIUM CONSISTING IN COMBINATION OF 44% BY VOLUME OF CYCLOHEXANONE, 48% BY VOLUME OF METHYL ETHYL KETONE, AND 8% BY VOLUME OF TOLUOL, SAID RESIN BEING PRESENT IN THE COMPOSITION IN AN AMOUNT OF APPROXIMATELY 5% BY WEIGHT.
Claim 2
Dependent Claim
77 words
A COATING COMPOSITION CONSISTING OF A RESINOUS HOMOPOLYMER OF POLYMERIZED VINYL CHLORIDE HAVING A MOLECULAR WEIGHT IN THE RANGE OF 5,000 TO 50,000, SAID HOMOPOLYMER BEING PRESENT IN AN AMOUNT OF ABOUT 5 WEIGHT PERCENT, DISSOLVED IN A SOLVENT MEDIUM CONSISTING IN COMBINATION OF 44% BY VOLUME OF CYCLOHEXANONE, 48% BY VOLUME OF METHYL ETHYL KETONE, AND 8% BY VOLUME OF TOLUOL, SAID RESIN BEING PRESENT IN THE COMPOSITION IN AN AMOUNT OF APPROXIMATELY 5% BY WEIGHT.
References Cited (Backward Citations)
US2264625A
Cited
US2427513A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-01-08 | 1954-07-10 | 1955-01-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-01-08 | 1958-07-10 | 1959-01-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-01-08 | 1962-07-10 | 1963-01-09 | $7700.00 | Window Closed / Lapsed |