Patent US3058949A successfully refreshed from Google Patents.
US3058949A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mixtures of methacrylonitrile copolymers with alkyl acrylate and methacrylate polymers
Assignee: Eastman Kodak Co
•
Filing: 1958-07-30
•
Granted: 1962-10-16
•
Expires: 1978-07-30
Abstract
No abstract record available.
Inventors
- 👤 Jr Harry W Coover
- 👤 Jr Willis C Wooten
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:31
CPC Classifications
C; C08; C08L; C08L33/00; C08L33/18; C08L33/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
109 words
A RESINOUS COMPOSITION COMPRISING A MIXTURE OF (1) FROM 80 TO 98% BY WEIGHT OF A COPOLYMER CONSISTING OF FROM 80 TO 95% BY WEIGHT OF METHACRYLONITRILE AND 20 TO 5% BY WEIGHT OF A COMPOUND SELECTED FROM THE GROUP CONSISTING OF AN ALKYL ACRYLATE, AND ALKYL METHACRYLATE, A DIALKYL FUMARATE, A DIALKYL MALEATE, A DIALKYL INTACONATE AND A DIALKYL CITRACONATE WHEREIN IN EACH INSTANCE THE SAID ALKYL GROUP CONTAINS FROM 1 TO 12 CARBON ATOMS, STYRENE, A-METHYLSTYRENE, VINYL NAPHTHALENE, VINYL CHLORIDE, VINYL FLUORIDE AND VINYLIDENE CHLORIDE, AND (2) FROM 20 TO 2% BY WEIGHT OF A MONOPOLYMER OF AN ACRYLIC ESTER MONOMER REPRESENTED BY THE FOLLOWING GENERAL FORMULA:
Claim 2
Dependent Claim
109 words
A RESINOUS COMPOSITION COMPRISING A MIXTURE OF (1) FROM 80 TO 98% BY WEIGHT OF A COPOLYMER CONSISTING OF FROM 80 TO 95% BY WEIGHT OF METHACRYLONITRILE AND 20 TO 5% BY WEIGHT OF A COMPOUND SELECTED FROM THE GROUP CONSISTING OF AN ALKYL ACRYLATE, AND ALKYL METHACRYLATE, A DIALKYL FUMARATE, A DIALKYL MALEATE, A DIALKYL INTACONATE AND A DIALKYL CITRACONATE WHEREIN IN EACH INSTANCE THE SAID ALKYL GROUP CONTAINS FROM 1 TO 12 CARBON ATOMS, STYRENE, A-METHYLSTYRENE, VINYL NAPHTHALENE, VINYL CHLORIDE, VINYL FLUORIDE AND VINYLIDENE CHLORIDE, AND (2) FROM 20 TO 2% BY WEIGHT OF A MONOPOLYMER OF AN ACRYLIC ESTER MONOMER REPRESENTED BY THE FOLLOWING GENERAL FORMULA:
References Cited (Backward Citations)
US2666025A
Cited
US2652391A
Cited
US2666042A
Cited
US2835647A
Cited
US2926160A
Cited
US2850478A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-10-15 | 1966-04-16 | 1966-10-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-10-15 | 1970-04-16 | 1970-10-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-10-15 | 1974-04-16 | 1974-10-16 | $7700.00 | Window Closed / Lapsed |