US3068183A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coating compositions containing styrene, ethyl acrylate, methacrylic acid interpolymers
Assignee: EIDP Inc
•
Filing: 1959-07-20
•
Granted: 1962-12-11
•
Expires: 1979-07-20
Abstract
No abstract record available.
Inventors
- 👤 Strolle Clifford Hugh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 07:28
CPC Classifications
C; C08; C08F; C08F212/00; C08F212/02; C08F212/04; C08F212/06; C08F212/08; C09; C09D; C09D125/00; C09D125/02; C09D125/04; C09D125/08; C09D125/14; C08L; C08L61/00; C08L61/20
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
95 words
AN INTERPOLYMER OF 55%-85% BY WEIGHT OF STYRENE, 5%-35% BY WEIGHT OF ETHYL ACRYLATE AND 5%-15% BY WEIGHT OF METHACRYLIC ACID PREPARED BY HEATING, IN A NONAQUEOUS SINGLE PHASE POLYMERIZATION MEDIUM, A MIXTURE OF STYRENE, ETHYL ACRYLATE AND METHACRYLIC ACID WITHIN SAID PROPORTIONS IN SOLUTION IN ABOUT 25%-400%, BASED ON THE WEIGHT OF SAID MIXTURE, OF AROMATIC HYDROCARBON SOLVENT FOR BOTH SAID MIXTURE AND SAID INTERPOLYMER AT A TEMPERATURE OF 125*-200*C. UNTIL SUBSTANTIALLY ALL OF SAID STYRENE, ETHYL ACRYLATE AND METHACRYLIC ACID IS POLYMERIZED, ANY POLYMERIZATION INITIATOR PRESENT BEING AN INITIATOR FOR FREE RADICAL POLYMERIZATION.
Claim 2
Dependent Claim
95 words
AN INTERPOLYMER OF 55%-85% BY WEIGHT OF STYRENE, 5%-35% BY WEIGHT OF ETHYL ACRYLATE AND 5%-15% BY WEIGHT OF METHACRYLIC ACID PREPARED BY HEATING, IN A NONAQUEOUS SINGLE PHASE POLYMERIZATION MEDIUM, A MIXTURE OF STYRENE, ETHYL ACRYLATE AND METHACRYLIC ACID WITHIN SAID PROPORTIONS IN SOLUTION IN ABOUT 25%-400%, BASED ON THE WEIGHT OF SAID MIXTURE, OF AROMATIC HYDROCARBON SOLVENT FOR BOTH SAID MIXTURE AND SAID INTERPOLYMER AT A TEMPERATURE OF 125*-200*C. UNTIL SUBSTANTIALLY ALL OF SAID STYRENE, ETHYL ACRYLATE AND METHACRYLIC ACID IS POLYMERIZED, ANY POLYMERIZATION INITIATOR PRESENT BEING AN INITIATOR FOR FREE RADICAL POLYMERIZATION.
Claim 3
Dependent Claim
62 words
A LIQUID COATING COMPOSITION COMPRISING, AS THE ESSENTIAL ORGANIC FILM-FORMING MATERIAL, A COMPATIBLE MIXTURE OF (1) 30%-90% BY WEIGHT OF AN INTERPOLYMER OF CLAIM 1 AND (2) 70%-10% OF A MEMBEROF THE CLASS CONSISTING OF UREA-FORMALDEHYDE-MONOHYDRIC ALCOHOL CONDENSATES, MELAMINE - FORMALDEHYDE - MONOHYDRIC ALCOHOL CONDENSATES, BENZOGUANAMINE-FORMALDEHYDE-MONOHYDRIC ALCOHOL CONDENSATES, AND MIXTURES THEREOF; SAID FILMFORMING MATERIAL BEING IN SOLUTION IN VOLATILE ORGANIC SOLVENT THEREFOR.
References Cited (Backward Citations)
US2899404A
Cited
US2536050A
Cited
US2606165A
Cited
US2681897A
Cited
US2873202A
Cited
US2918391A
Cited
US2958673A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-12-10 | 1966-06-11 | 1966-12-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-10 | 1970-06-11 | 1970-12-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-10 | 1974-06-11 | 1974-12-11 | $7700.00 | Window Closed / Lapsed |