US2652339A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Solution of cellulose acetate butyrate
Assignee: American Motors Corp
•
Filing: 1948-01-28
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Granted: 1953-09-15
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Expires: 1968-01-28
Abstract
No abstract record available.
Inventors
- 👤 Luther L Yaeger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 14:44
CPC Classifications
C; C09; C09D; C09D101/00; C09D101/08; C09D101/10; C09D101/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
53 words
A COMPOSITION COMPRISING CELLULOSE ACETATE BUTYRATE HAVING AN ACETYL CONTENT OF 8% TO 43% AND A BUTYRYL CONTENT OF 15% TO 22% DISSOLVED IN A SOLVENT MIXTURE CONSISTING OF A LIQUID ORGANIC SOLVENT CONSISTING CARBON, HYDROGEN AND OXYGEN, AND FROM APPROXIMATELY 5% TO 90% OF A NITRO-ALKANE CONTAINING 1 TO 3 CARBON ATOMS.
Claim 2
Dependent Claim
53 words
A COMPOSITION COMPRISING CELLULOSE ACETATE BUTYRATE HAVING AN ACETYL CONTENT OF 8% TO 43% AND A BUTYRYL CONTENT OF 15% TO 22% DISSOLVED IN A SOLVENT MIXTURE CONSISTING OF A LIQUID ORGANIC SOLVENT CONSISTING CARBON, HYDROGEN AND OXYGEN, AND FROM APPROXIMATELY 5% TO 90% OF A NITRO-ALKANE CONTAINING 1 TO 3 CARBON ATOMS.
References Cited (Backward Citations)
DE585530C
Cited
GB255406A
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US1791301A
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US1880502A
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US2008976A
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US2229617A
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US2322310A
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US2367503A
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US2366564A
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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) | 1956-09-14 | 1957-03-16 | 1957-09-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-09-14 | 1961-03-16 | 1961-09-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-09-14 | 1965-03-16 | 1965-09-15 | $7700.00 | Window Closed / Lapsed |