US3053696A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Textile yarn sized with sodium cellulose acetate sulfate
Assignee: Eastman Kodak Co
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Filing: 1960-03-21
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Granted: 1962-09-11
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Expires: 1980-03-21
Abstract
No abstract record available.
Inventors
- 👤 George P Touey
- 👤 Donald J Brown
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 17:34
CPC Classifications
C; C08; C08B; C08B7/00; D; D06; D06M; D06M15/00; D06M15/01; D06M15/03; D06M15/05; D06M15/07; Y; Y10; Y10T; Y10T428/00; Y10T428/29; Y10T428/2913; Y10T428/2933; Y10T428/294; Y10T428/2958; Y10T428/2964; Y10T428/2965
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
56 words
A CELLULOSE ACETATE TEXTILE YARN CARRYING A SIZING OF A SODIUM CELLULOSE ACETATE SULFATE, SAID SODIUM CELLULOSE ACETATE SULFATE BEING A SUBSTANTIALLY COMPLEELY ESTERIFIED MIXED CELLULOSE ESTER CONTAINING SODIUM ACID SULFATE GROUPS AND ACETOXY RADICALS AS ESTER SUBSTITUENTS AND WHICH HAS A DEGREE OF SUBSTITUTION OF 0.4-1.6 SULFATE GROUPS AND 0.9-2.5 ACETYL GROUPS PER ANHYDROGLUCOSE UNIT.
Claim 2
Dependent Claim
56 words
A CELLULOSE ACETATE TEXTILE YARN CARRYING A SIZING OF A SODIUM CELLULOSE ACETATE SULFATE, SAID SODIUM CELLULOSE ACETATE SULFATE BEING A SUBSTANTIALLY COMPLEELY ESTERIFIED MIXED CELLULOSE ESTER CONTAINING SODIUM ACID SULFATE GROUPS AND ACETOXY RADICALS AS ESTER SUBSTITUENTS AND WHICH HAS A DEGREE OF SUBSTITUTION OF 0.4-1.6 SULFATE GROUPS AND 0.9-2.5 ACETYL GROUPS PER ANHYDROGLUCOSE UNIT.
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) | 1965-09-10 | 1966-03-12 | 1966-09-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-09-10 | 1970-03-12 | 1970-09-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-09-10 | 1974-03-12 | 1974-09-11 | $7700.00 | Window Closed / Lapsed |