US3050495A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Compositions comprising blends of aldehyde-modified amide interpolymers with amine resins and articles coated therewith
Assignee: PPG Industries Inc
•
Filing: 1957-08-12
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Granted: 1962-08-21
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Expires: 1977-08-12
Abstract
No abstract record available.
Inventors
- 👤 Roger M Christenson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 06:18
CPC Classifications
C; C09; C09D; C09D157/00; C09D157/04; C08; C08G; C08G12/00; C08G12/46; C08L; C08L61/00; C08L61/20; C09D157/06; C09D157/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
92 words
A RESINOUS COMPOSITION COMPRISING AN AMINO RESIN SELECTED FROM THE CLASS CONSISTING OF UREA-FORMALDEHYDE RESINS AND MELAMINE-FORMALDEHYDE RESINS, AND AN INTERPOLYMER OF AN AMIDE SELECTED FROM THE CLASS CONSISTING OF ACRYLAMIDE, METHACRYLAMIDE, MALEURIC ACID, ALKYL ESTERS OF MALEURIC ACID, N-CARBAMYUL MALEIMIDE, AND N-ALKOXY METHYL ACRYLAMIDES, AND AT LEAST ONE OTHER MONOMER CONTAINING A CH2=C< GROUP, SAID INTERPOLYMER CONTAINING FROM ABOUT 5 PERCENT TO 50 PERCENT BY WEIGHT OF SAID AMIDE IN POLYMERIZED FORM BASED ON THE TOTAL WEIGHT OF SAID INTERPOLYMER AND BEING CHARACTERIZED BY HAVING AMIDO HYDROGEN ATOMS REPLACED BY STRUCTURE
Claim 2
Dependent Claim
92 words
A RESINOUS COMPOSITION COMPRISING AN AMINO RESIN SELECTED FROM THE CLASS CONSISTING OF UREA-FORMALDEHYDE RESINS AND MELAMINE-FORMALDEHYDE RESINS, AND AN INTERPOLYMER OF AN AMIDE SELECTED FROM THE CLASS CONSISTING OF ACRYLAMIDE, METHACRYLAMIDE, MALEURIC ACID, ALKYL ESTERS OF MALEURIC ACID, N-CARBAMYUL MALEIMIDE, AND N-ALKOXY METHYL ACRYLAMIDES, AND AT LEAST ONE OTHER MONOMER CONTAINING A CH2=C< GROUP, SAID INTERPOLYMER CONTAINING FROM ABOUT 5 PERCENT TO 50 PERCENT BY WEIGHT OF SAID AMIDE IN POLYMERIZED FORM BASED ON THE TOTAL WEIGHT OF SAID INTERPOLYMER AND BEING CHARACTERIZED BY HAVING AMIDO HYDROGEN ATOMS REPLACED BY STRUCTURE
References Cited (Backward Citations)
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US2984588A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-08-20 | 1966-02-19 | 1966-08-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-08-20 | 1970-02-19 | 1970-08-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-08-20 | 1974-02-19 | 1974-08-21 | $7700.00 | Window Closed / Lapsed |