US2578770A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coating composition and polystyrene surface coated therewith
Assignee: American Motors Corp
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Filing: 1947-02-21
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Granted: 1951-12-18
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Expires: 1967-02-21
Abstract
No abstract record available.
Inventors
- 👤 Luther L Yaeger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 23:06
CPC Classifications
C; C09; C09D; C09D101/00; C09D101/08; C09D101/10; C09D101/12; C08; C08J; C08J7/00; C08J7/04; C08J7/0427; C08J7/046; C08J2325/00; C08J2325/02; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31855; Y10T428/3188; Y10T428/31884; Y10T428/31888; Y10T428/31909; Y10T428/31928
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
128 words
A COATING COMPOSITION COMPRISING AS ESSENTIAL INGREDIENTS, A FILM-FORMING POLYMERIZABLE ESTER OF AN ALIPHATIC ALCOHOL AND AN AROMATIC POLYCARBOXYLIC ACID, AN ESTER OF CELLULOSE WITH AN ORGANIC ACID HAVING LESS THAN 7 CARBON ATOMS, AND A SOLVENT FOR THE SAID SUBSTANCES CONSISTING ESSENTIALLY OF FROM 15-35% OF A NITRO ALIPHATIC HYDROCARBON HAVING LESS THAN 4 CARBON ATOMS, FROM 5 TO 20% OF AN ALIPHATIC ALCOHOL HAVING LESS THAN 4 CARBON ATOMS, FROM 7 TO 30% OF A SOLVENT SELECTED FROM THE GROUP CONSISTING OF DIETHYL KETONE, METHYL ISOBUTYL KETONE, ACETONE, AND ESSENTIALLY OF FROM 15-35% OF A NITRO ALIPHATIC A BOILING POINT LESS THAN 130* C., AND FROM 2040% OF A SOLVENT SELECTED FROM THE GROUP CONSISTING OF METHYL, ETHYL AND PROPYL LACTATE, DIACETONE ALCOHOL, GLYCOL AND ESTERS.
References Cited (Backward Citations)
GB294261A
Cited
US1873689A
Cited
US2005414A
Cited
US2115710A
Cited
US2111446A
Cited
GB482194A
Cited
US2320533A
Cited
US2354824A
Cited
US2374081A
Cited
US2355330A
Cited
US2367798A
Cited
US2443736A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-12-17 | 1955-06-18 | 1955-12-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-12-17 | 1959-06-18 | 1959-12-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-12-17 | 1963-06-18 | 1963-12-18 | $7700.00 | Window Closed / Lapsed |