US2753318A
Expired / Lapsed
US
⏱️ 0.0 years remaining
New aqueous dispersions and process for making and using them
Assignee: BASF Schweiz AG
•
Filing: 1952-04-03
•
Granted: 1956-07-03
•
Expires: 1972-04-03
Abstract
No abstract record available.
Inventors
- 👤 Maeder Arthur
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 16:05
CPC Classifications
C; C08; C08F; C08F220/00; C08F220/02; C08F220/42; C08F220/10; C08F220/12; C08F220/44
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
89 words
A PROCESS FOR THE MANUFACTURE OF AN ACID, STABLE AQUEOUS DISPERSION FOR A LEAST TERNARY COPOLYMERS, WHICH COMPRISES EMULSIFYING, AS SOLE MONOMERS, AT LEAST ONE ESTER OF A SIMPLE UNSATURATED MONOCARBOXYLIC ACID CONTAINING A METHYLENE GROUP BOUND TO THE A-CARBON ATOM, AND AT LEAST ONE NITRILE OF SUCH AN ACID TOGETHER WITH A SMALL PROPORTION OF AT LEAST ONE FREE UNSATURATED COPOLYMERSIABLE MONOCARBOXYLIC ACID IN AN AQUEOUS MEDIUM IN THE PRESENCE OF AN EMULSIFYING AGENT, AND BRINGING ABOUT POLYMERIZATION BY THE ACTION OF A POLYMERIZATION CATALYST IN THE EMULSION.
Claim 2
Dependent Claim
89 words
A PROCESS FOR THE MANUFACTURE OF AN ACID, STABLE AQUEOUS DISPERSION FOR A LEAST TERNARY COPOLYMERS, WHICH COMPRISES EMULSIFYING, AS SOLE MONOMERS, AT LEAST ONE ESTER OF A SIMPLE UNSATURATED MONOCARBOXYLIC ACID CONTAINING A METHYLENE GROUP BOUND TO THE A-CARBON ATOM, AND AT LEAST ONE NITRILE OF SUCH AN ACID TOGETHER WITH A SMALL PROPORTION OF AT LEAST ONE FREE UNSATURATED COPOLYMERSIABLE MONOCARBOXYLIC ACID IN AN AQUEOUS MEDIUM IN THE PRESENCE OF AN EMULSIFYING AGENT, AND BRINGING ABOUT POLYMERIZATION BY THE ACTION OF A POLYMERIZATION CATALYST IN THE EMULSION.
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) | 1959-07-03 | 1960-01-02 | 1960-07-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-07-03 | 1964-01-02 | 1964-07-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-07-03 | 1968-01-02 | 1968-07-03 | $7700.00 | Window Closed / Lapsed |