US2798047A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Detergent compositions for laundering textile fabrics, containing a copolymer of a lower nu-alkyl acrylamide and vinyl alcohol
Assignee: Eastman Kodak Co
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Filing: 1953-02-11
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Granted: 1957-07-02
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Expires: 1973-02-11
Abstract
No abstract record available.
Inventors
- 👤 George P Touey
- 👤 John R Caldwell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 07:20
CPC Classifications
C; C11; C11D; C11D3/00; C11D3/16; C11D3/37; C11D3/3746; C11D3/3769; C11D3/3773
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
22 words
A DETERGENT COMPOSITION COMPRISING AN ORGANIC ANIONIC DETERGENT AND A COPOLYMER OF N-METHYLACRYLAMIDE AND VINYL ALCOHOL, THE COPOLYMER HAVING THE GENERAL STRUCTURE
Claim 2
Dependent Claim
22 words
A DETERGENT COMPOSITION COMPRISING AN ORGANIC ANIONIC DETERGENT AND A COPOLYMER OF N-METHYLACRYLAMIDE AND VINYL ALCOHOL, THE COPOLYMER HAVING THE GENERAL STRUCTURE
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) | 1960-07-01 | 1960-12-31 | 1961-07-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-07-01 | 1964-12-31 | 1965-07-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-07-01 | 1968-12-31 | 1969-07-02 | $7700.00 | Window Closed / Lapsed |