US3242111A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Compositions comprising alkylolated acrylamide interpolymers and epoxy resin esters containing hydroxyl groups
Assignee: Interchemical Corp
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Filing: 1962-08-31
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Granted: 1966-03-22
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Expires: 1982-08-31
Abstract
No abstract record available.
Inventors
- 👤 Francis W Michelotti
- 👤 Alice W Pucknat
- 👤 Bernard H Silverman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:53
CPC Classifications
C; C08; C08L; C08L25/00; C08L25/02; C08L25/04; C08L25/08; C08L25/14; C08F; C08F2800/00; C08F2800/20; C08L63/00; Y; Y10; Y10S; Y10S525/00; Y10S525/922
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
89 words
A THERMOSETTING EPOXIDE-FREE POLYMERIC COMPOSITION COMPRISING (A) AN EPOXIDE-FREE HYDROXY ESTER OF AN EPOXIDE RESIN WHICH IS A POLYGLYCIDYL ETHER OF A DIPHENOL AND AN ACID SELECTED FROM THE GROUP CONSISTING OF A LONG CHAIN FATTY ACID AND METHACRYLIC ACID AND (B) A BUTYLATED METHYLOLATED COPOLYMER OF ABOUT 75 PARTS OF STYRENE, 15 PARTS OF ACRYLAMIDE, 7 PARTS OF ETHYL ACRYLATE, AND 3 PARTS OF METHACRYLIC ACID, METHYLOLATION HAVING BEEN CARRIED OUT BY TREATMENT WITH 1 TO 3 EQUIVALENTS OF FORMALDEHYDE FOR EACH AMIDE GROUP PRESENT IN THE COPOLYMER.
Claim 2
Dependent Claim
89 words
A THERMOSETTING EPOXIDE-FREE POLYMERIC COMPOSITION COMPRISING (A) AN EPOXIDE-FREE HYDROXY ESTER OF AN EPOXIDE RESIN WHICH IS A POLYGLYCIDYL ETHER OF A DIPHENOL AND AN ACID SELECTED FROM THE GROUP CONSISTING OF A LONG CHAIN FATTY ACID AND METHACRYLIC ACID AND (B) A BUTYLATED METHYLOLATED COPOLYMER OF ABOUT 75 PARTS OF STYRENE, 15 PARTS OF ACRYLAMIDE, 7 PARTS OF ETHYL ACRYLATE, AND 3 PARTS OF METHACRYLIC ACID, METHYLOLATION HAVING BEEN CARRIED OUT BY TREATMENT WITH 1 TO 3 EQUIVALENTS OF FORMALDEHYDE FOR EACH AMIDE GROUP PRESENT IN THE COPOLYMER.
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) | 1969-03-21 | 1969-09-20 | 1970-03-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-21 | 1973-09-20 | 1974-03-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-21 | 1977-09-20 | 1978-03-22 | $7700.00 | Window Closed / Lapsed |