US3198762A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Copolymerization products of quaternary vinyl ethers and aqueous emulsions thereof
Assignee: BASF Schweiz AG
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Filing: 1955-12-28
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Granted: 1965-08-03
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Expires: 1975-12-28
Abstract
No abstract record available.
Inventors
- 👤 Maeder Arthur
- 👤 Albrecht Otto
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 04:20
CPC Classifications
C; C08; C08F; C08F16/00; C08F16/12; C08F16/14; C08F16/28; Y; Y10; Y10S; Y10S526/00; Y10S526/911; Y10S526/915; Y10S526/923
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
29 words
A LIQUID COMPOSITION SUITABLE FOR THE DRESSING OF TEXTILES WHICH COMPRISES A STABLE AQUEOUS DISPERSION OF A COPOLYMERIZATION PRODUCT OF (A) QUATERNARY MONO-VINYL ETHER WHICH CORRESPONDS OF THE FORMULA:
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) | 1968-08-02 | 1969-02-01 | 1969-08-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-02 | 1973-02-01 | 1973-08-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-02 | 1977-02-01 | 1977-08-03 | $7700.00 | Window Closed / Lapsed |