Patent US3129198A successfully refreshed from Google Patents.
US3129198A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Quaternary monoimidazoline salts as thermosetting catalysts for resinous blends comprising polyepoxide polymers and acrylic polymers having a plurality of carboxyl groups therein
Assignee: Sherwin Williams Co
•
Filing: 1960-02-08
•
Granted: 1964-04-14
•
Expires: 1980-02-08
Abstract
No abstract record available.
Inventors
- 👤 Vernon G Nix
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:48
CPC Classifications
C; C09; C09D; C09D163/00; C08; C08G; C08G59/00; C08G59/18; C08G59/68; C08G59/686; C09D157/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
114 words
A THERMOSETTABLE FLUID COATING COMPOSITION COMPRISING IN COMBINATION FROM 7% TO NOT MORE THAN ABOUT 90% BY WEIGHT OF THE TOTAL FILM-FORMING COMPOSITION OF A POLYEPOXIDE HAVING AN EPOXY EQUIVALENT VALUE RANGING FROM 100 TO LESS THAN 1000 AND SUBSTANTIALLY THE REMAINDER OF THE COMPOSITION IS AN ACRYLIC INTERPOLYMER OF TWO MONOMERS MINIMALLY, AT LEAST IN EXCESS OF 4% BUT NOT IN EXCESS OF 25% OF SAID POLYMER FORMED FROM AN ACID SELECTED FROM THE GROUP CONSISTING OF ACRYLIC ACID, METHACRYLIC ACID, ETHACRYLIC ACID, PHENYLACRYLIC ACID, CROTONIC ACID, LOWER ALKYL ESTERS OF SUCH ACIDS CONTAINING FROM 1 TO 8 CARBON ATOMS IN THE ALKYL GROUP, AND ANOTHER MONOMER INTERPOLYMERIZED THEREWITH CHARACTERIZED BY A SINGLE
Claim 2
Dependent Claim
114 words
A THERMOSETTABLE FLUID COATING COMPOSITION COMPRISING IN COMBINATION FROM 7% TO NOT MORE THAN ABOUT 90% BY WEIGHT OF THE TOTAL FILM-FORMING COMPOSITION OF A POLYEPOXIDE HAVING AN EPOXY EQUIVALENT VALUE RANGING FROM 100 TO LESS THAN 1000 AND SUBSTANTIALLY THE REMAINDER OF THE COMPOSITION IS AN ACRYLIC INTERPOLYMER OF TWO MONOMERS MINIMALLY, AT LEAST IN EXCESS OF 4% BUT NOT IN EXCESS OF 25% OF SAID POLYMER FORMED FROM AN ACID SELECTED FROM THE GROUP CONSISTING OF ACRYLIC ACID, METHACRYLIC ACID, ETHACRYLIC ACID, PHENYLACRYLIC ACID, CROTONIC ACID, LOWER ALKYL ESTERS OF SUCH ACIDS CONTAINING FROM 1 TO 8 CARBON ATOMS IN THE ALKYL GROUP, AND ANOTHER MONOMER INTERPOLYMERIZED THEREWITH CHARACTERIZED BY A SINGLE
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) | 1967-04-14 | 1967-10-14 | 1968-04-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-04-14 | 1971-10-14 | 1972-04-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-04-14 | 1975-10-14 | 1976-04-14 | $7700.00 | Window Closed / Lapsed |