US3066033A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cellulose ester coating composition
Assignee: Wyeth Holdings LLC
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Filing: 1960-07-29
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Granted: 1962-11-27
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Expires: 1980-07-29
Abstract
No abstract record available.
Inventors
- 👤 Iii Walter Leighton Clark
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 21:29
CPC Classifications
C; C09; C09D; C09D5/00; C09D5/20; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31971
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
108 words
A COATING COMPOSITION CONSISTING ESSENTIALLY OF: FROM ABOUT 55 TO ABOUT 95 PARTS BY WEIGHT OF AN ADDUCT OBTAINED BY COMBINING,IN AQUEOUS MEDIA, AT LEAST ABOUT THREE MOL PARTS OF EPIHCLOROHYDRIN AND ONE MOL PART OF AN ALKALI METAL SOAP OF A LONG CHAIN FATTY ACID CONTAINING AT LEAST NINE CARBON ATOMS; AND FROM ABOUT 5 TO ABOUT 45 PARTS BY WEIGHT OF A CELLULOSE ESTER COMPONENT HAVING A HYDROXYL CONTENT OF FROM ABOUT 0.5% TO ABOUT 2.5%, AND ACETYL CONTENT OF FROM ABOUT 6% TO ABOUT 32%, AND FROM ABOUT 15% TO ABOUT 50% OF AN ALIPHATIC ACYL RADICAL OF FROM THREE TO ABOUT EIGHTEEN CARBON ATOMS.
Claim 2
Dependent Claim
108 words
A COATING COMPOSITION CONSISTING ESSENTIALLY OF: FROM ABOUT 55 TO ABOUT 95 PARTS BY WEIGHT OF AN ADDUCT OBTAINED BY COMBINING,IN AQUEOUS MEDIA, AT LEAST ABOUT THREE MOL PARTS OF EPIHCLOROHYDRIN AND ONE MOL PART OF AN ALKALI METAL SOAP OF A LONG CHAIN FATTY ACID CONTAINING AT LEAST NINE CARBON ATOMS; AND FROM ABOUT 5 TO ABOUT 45 PARTS BY WEIGHT OF A CELLULOSE ESTER COMPONENT HAVING A HYDROXYL CONTENT OF FROM ABOUT 0.5% TO ABOUT 2.5%, AND ACETYL CONTENT OF FROM ABOUT 6% TO ABOUT 32%, AND FROM ABOUT 15% TO ABOUT 50% OF AN ALIPHATIC ACYL RADICAL OF FROM THREE TO ABOUT EIGHTEEN CARBON ATOMS.
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) | 1965-11-26 | 1966-05-28 | 1966-11-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-11-26 | 1970-05-28 | 1970-11-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-11-26 | 1974-05-28 | 1974-11-27 | $7700.00 | Window Closed / Lapsed |