US2805205A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Detergent compositions for laundering
Assignee: —
•
Filing: —
•
Granted: 1957-09-03
•
Expires: 1974-09-03
Abstract
No abstract record available.
Inventors
No inventors recorded.
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; C11D3/378; C11D3/3769
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
32 words
A DETERGENT COMPOSITION COMPRISING A DETERGENT SELECTED FROM THE GROUP CONSISTING OF THE NON-IONIC DETERGENTS AND THE ORGANIC ANIONIC DETERGENTS, AND A COPOLYMER OF N-METHYLMETHACRYLAMIDE AND ACRYLONITRILE, THE COPOLYMER HAVING THE STRUCTURE
Claim 2
Dependent Claim
32 words
A DETERGENT COMPOSITION COMPRISING A DETERGENT SELECTED FROM THE GROUP CONSISTING OF THE NON-IONIC DETERGENTS AND THE ORGANIC ANIONIC DETERGENTS, AND A COPOLYMER OF N-METHYLMETHACRYLAMIDE AND ACRYLONITRILE, THE COPOLYMER HAVING THE STRUCTURE
References Cited (Backward Citations)
US2486241A
Cited
FR950645A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-09-02 | 1961-03-04 | 1961-09-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-09-02 | 1965-03-04 | 1965-09-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-09-02 | 1969-03-04 | 1969-09-03 | $7700.00 | Window Closed / Lapsed |