US2984639A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Composition comprising the reaction product of a quaternary ammonium compound and a polymer of ethylenically unsaturated monomer
Assignee: Crusader Chemical Co Inc
•
Filing: 1953-12-31
•
Granted: 1961-05-16
•
Expires: 1973-12-31
Abstract
No abstract record available.
Inventors
- 👤 Stamberger Paul
- 👤 Frieda W Fuchs
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:23
CPC Classifications
C; C08; C08F; C08F8/00; C08F8/44; Y; Y10; Y10S; Y10S526/00; Y10S526/923
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
29 words
A FILM-FORMING COMPOSITION CAPABLE OF DEPOSITING SELF-STERILIZING COATINGS COMPRISING A WATER INSOLUBLE INTERNALLY PLASTICIZED GERMICIDAL QUATERNARY AMMONIUM SALT DISSOLVED IN A VOLATILE ORGANIC SOLVENT, THE SALT HAVING THE FORMULA
Claim 2
Dependent Claim
29 words
A FILM-FORMING COMPOSITION CAPABLE OF DEPOSITING SELF-STERILIZING COATINGS COMPRISING A WATER INSOLUBLE INTERNALLY PLASTICIZED GERMICIDAL QUATERNARY AMMONIUM SALT DISSOLVED IN A VOLATILE ORGANIC SOLVENT, THE SALT HAVING THE FORMULA
References Cited (Backward Citations)
US1984417A
Cited
US2067234A
Cited
US2168535A
Cited
US2109595A
Cited
US2234672A
Cited
US2346055A
Cited
US2318126A
Cited
US2435777A
Cited
US2617840A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-05-15 | 1964-11-14 | 1965-05-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-15 | 1968-11-14 | 1969-05-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-15 | 1972-11-14 | 1973-05-16 | $7700.00 | Window Closed / Lapsed |