Patent US3219606A successfully refreshed from Google Patents.
US3219606A
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US
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Blends of shellac with interpolymers of unsaturated carboxylic amides and ethylenically unsaturated compounds
Assignee: PPG Industries Inc
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Filing: 1960-10-31
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Granted: 1965-11-23
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Expires: 1980-10-31
Abstract
No abstract record available.
Inventors
- 👤 Conrad L Lynch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 20:59
CPC Classifications
C; C08; C08F; C08F22/00; C08F22/36; C08F20/00; C08F20/02; C08F20/52; C08F20/54; C08F20/58; C08F8/00; C09; C09D; C09D157/00; C09D157/06; C09D157/12; C08L; C08L93/00; C08L93/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
89 words
A RESINOUS COATING COMPOSTION CONSISTING ESSENTAILLY OF (1) AT LEAST 20 PERCENT OF AN INTERPOLYMER OF (A) FROM ABOUT 2 PERCENT TO ABOUT 50 PERCENT BY WEIGHT OF A POLYMERIZABLE UNSATURATED CARBOXYLIC ACID AMIDE SELECTED FROM THE GROUP CONSISTING OF ACRYLAMIDE, METHACRYLAMIDE, ITACONIC ACID DIAMIDE, ALPHA-ETHYL ACRYLAMIDE, CROTONAMIDE, FUMARIC ACID DIAMIDE, MALEURIC ACID AND N-CARBAMYL MALEIMIDE, AND (B) AT LEAST ONE OTHER AMIDE-FREE MONOMER CONTAINING A CH2=C< GROUP, SAID TERPOLYMER BEIN CHARACTERIZED BY AT LEAST ABOUT 50 PERCENT OF THE AMIDO GROUPS FROM SAID AMIDE BEING OF THE STRUCTURE
Claim 2
Dependent Claim
89 words
A RESINOUS COATING COMPOSTION CONSISTING ESSENTAILLY OF (1) AT LEAST 20 PERCENT OF AN INTERPOLYMER OF (A) FROM ABOUT 2 PERCENT TO ABOUT 50 PERCENT BY WEIGHT OF A POLYMERIZABLE UNSATURATED CARBOXYLIC ACID AMIDE SELECTED FROM THE GROUP CONSISTING OF ACRYLAMIDE, METHACRYLAMIDE, ITACONIC ACID DIAMIDE, ALPHA-ETHYL ACRYLAMIDE, CROTONAMIDE, FUMARIC ACID DIAMIDE, MALEURIC ACID AND N-CARBAMYL MALEIMIDE, AND (B) AT LEAST ONE OTHER AMIDE-FREE MONOMER CONTAINING A CH2=C< GROUP, SAID TERPOLYMER BEIN CHARACTERIZED BY AT LEAST ABOUT 50 PERCENT OF THE AMIDO GROUPS FROM SAID AMIDE BEING OF THE STRUCTURE
References Cited (Backward Citations)
US2537018A
Cited
US2870116A
Cited
US2870117A
Cited
US3037963B1
Cited
US3037963A
Cited
US2974119A
Cited
US2961420A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-11-22 | 1969-05-24 | 1969-11-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-22 | 1973-05-24 | 1973-11-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-22 | 1977-05-24 | 1977-11-23 | $7700.00 | Window Closed / Lapsed |