US3290416A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Methacrylate polymer coating composition modified with an alkylenimine
Assignee: PPG Industries Inc
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Filing: 1964-06-22
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Granted: 1966-12-06
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Expires: 1984-06-22
Abstract
No abstract record available.
Inventors
- 👤 Roger M Christenson
- 👤 Jr Samuel Porter
- 👤 Halcoussis Andrew
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 00:54
CPC Classifications
C; C09; C09D; C09D133/00; C09D133/04; C09D133/06; C09D133/10; C08; C08F; C08F8/00; C08F8/30; C08F2800/00; C08F2800/20; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31511; Y10T428/31515; Y10T428/31522; Y10T428/31678; Y10T428/31681; Y10T428/31688; Y10T428/31786; Y10T428/31797; Y10T428/31855; Y10T428/31859; Y10T428/31877; Y10T428/31942; Y10T428/31949
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
55 words
A COATING COMPOSITION BASED ON METHACRYLATE POLYMER CONTAINING AT LEAST ABOUT 50 PERCENT BY WEIGHT OF LOWER ALKYL METHACRYLATE IN POLYMERIZED FROM, SAID COMPOSITION CONTAINING AT LEAST ABOUT 0.1 PERCENT BY WEIGHT, BASED UPON THE WEIGHT OF METHACRYLATE POLYMER, OF VINYL POLYMERIZED CARBOXYLIC ACID UNITS WHICH HAVE BEEN REACTED WITH AN IMINE OF THE FORMULA:
Claim 2
Dependent Claim
55 words
A COATING COMPOSITION BASED ON METHACRYLATE POLYMER CONTAINING AT LEAST ABOUT 50 PERCENT BY WEIGHT OF LOWER ALKYL METHACRYLATE IN POLYMERIZED FROM, SAID COMPOSITION CONTAINING AT LEAST ABOUT 0.1 PERCENT BY WEIGHT, BASED UPON THE WEIGHT OF METHACRYLATE POLYMER, OF VINYL POLYMERIZED CARBOXYLIC ACID UNITS WHICH HAVE BEEN REACTED WITH AN IMINE OF THE FORMULA:
Claim 3
Dependent Claim
81 words
AN INTERPOLYMER OF (1) FROM ABOUT 30 PERCENT TO ABOUT 99.9 PERCENT BY WEIGHT OF A LOWER ALKYL METHACRYLATE, (2) AT LEAST ABOUT 1.1 PERCENT BY WEIGHT OF ETHYLENICALLY UNSTURATED CARBOXYLIC ACID, AND (3) FROM ABOUT 0 PERCENT TO ABOUT 69.9 PERCENT BY WEIGHT OF AT LEAST ONE OTHER ETHYLENICALLY UNSATURATED MONOMER COPOLYMERIZABLE WITH SAID METHACRYLATE AND SAID ACID, SAID INTERPOLYMER HAVING AT LEAST ABOUT 0.1 PERCENT BY WEIGHT OF ACIDIC CARBOXYL GROUPS THEREOF REACTED WITH AN IMINE OF THE FORMULA:
Claim 4
Dependent Claim
81 words
AN INTERPOLYMER OF (1) FROM ABOUT 30 PERCENT TO ABOUT 99.9 PERCENT BY WEIGHT OF A LOWER ALKYL METHACRYLATE, (2) AT LEAST ABOUT 1.1 PERCENT BY WEIGHT OF ETHYLENICALLY UNSTURATED CARBOXYLIC ACID, AND (3) FROM ABOUT 0 PERCENT TO ABOUT 69.9 PERCENT BY WEIGHT OF AT LEAST ONE OTHER ETHYLENICALLY UNSATURATED MONOMER COPOLYMERIZABLE WITH SAID METHACRYLATE AND SAID ACID, SAID INTERPOLYMER HAVING AT LEAST ABOUT 0.1 PERCENT BY WEIGHT OF ACIDIC CARBOXYL GROUPS THEREOF REACTED WITH AN IMINE OF THE FORMULA:
Claim 5
Dependent Claim
51 words
A COATING COMPOSITION HAVING AS A FILM-FORMING COMPONENT THEREOF A BLEND OF (A) A POLYMER OF A LOWER ALKYL METHACRYLATE AND (B) THE INTERPOLYMER OF CLAIM 4 WHEREIN SUFFICENT ACIDIC CARBOXYL GROUPS HAVING BEEN REACTED WITH IMINE TO COMPRISE AT LEAST ABOUT 0.1 PERCENT OF THE TOTAL WEIGHT OF SAID BLEND.
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) | 1969-12-05 | 1970-06-06 | 1970-12-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-05 | 1974-06-06 | 1974-12-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-05 | 1978-06-06 | 1978-12-06 | $7700.00 | Window Closed / Lapsed |