US2965594A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Carboxylic acid ester containing a quaternar y nitrogen atom in the alcohol portion, and polymerization products thereof
Assignee: BASF Schweiz AG
•
Filing: 1954-10-25
•
Granted: 1960-12-20
•
Expires: 1974-10-25
Abstract
No abstract record available.
Inventors
- 👤 Maeder Arthur
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:27
CPC Classifications
C; C08; C08F; C08F246/00; C08F22/00; C08F22/10; C08F22/12; C08F22/22; C08F222/00; C08F222/10; C08F222/12; C08F222/22; Y; Y10; Y10S; Y10S260/00; Y10S260/15; Y10S260/17; Y10S260/18; Y10S526/00; Y10S526/923
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
23 words
A WATER-DISPERSIBLE POLYMERIZATION PRODUCT YIELDING STABLE EMULSIONS WHICH CONTAINS COPOLYMERIZED (1) AN ESTER OF A COPOLYMERIZABLE ALIPHATIC CARBOXYLIC ACID CORRESPONDING TO THE FORMULA
Claim 2
Dependent Claim
23 words
A WATER-DISPERSIBLE POLYMERIZATION PRODUCT YIELDING STABLE EMULSIONS WHICH CONTAINS COPOLYMERIZED (1) AN ESTER OF A COPOLYMERIZABLE ALIPHATIC CARBOXYLIC ACID CORRESPONDING TO 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) | 1963-12-20 | 1964-06-20 | 1964-12-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-12-20 | 1968-06-20 | 1968-12-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-12-20 | 1972-06-20 | 1972-12-20 | $7700.00 | Window Closed / Lapsed |