US2853457A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polymeric hydrosols comprising an unsaturated protein derivative and a combination of unsaturated monomers
Assignee: Eastman Kodak Co
•
Filing: 1953-12-14
•
Granted: 1958-09-23
•
Expires: 1973-12-14
Abstract
No abstract record available.
Inventors
- 👤 Jr John W Gates
- 👤 Jr William F Fowler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:51
CPC Classifications
C; C08; C08F; C08F289/00; G; G03; G03C; G03C1/00; G03C1/005; G03C1/04; G03C1/047
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
98 words
A POLYMERIC HYDROSOL RESULTING FROM THE EMULSION POLYMERIZATION OF A MIXTURE ESSENTIALLY FROM THE EMULSION 14-60% OF A PROTEIN HAVING AN UNSATURATED ACID RADICAL CHEMICALLY COMBINED THEREWITH, A FLEXIBILIZING COMPONENT SELECTED FROM THE GROUP CONSISTING OF THE ALKYL ACRYLATES IN WHICH THE ALKYLS ARE SATURATED AND OF 2-10 CARBON ATOMS, TE ALKYL METHACRYLATES, IN WHICH THE ALKYLS ARE SATURATED AND OF 4-10 CARBON ATOMS, BUTADIENE, ISOPRENE, AND CHLOROPRENE AND A STRENGTHENING COMPONENT SELECTED FROM THE GROUP CONSISTING OF STRYRENE, ACRYLONITRILE, METHYL ACRYLATE, METHYL METHACRYLATE, ETHYL METHACRYLATE, VINYL ACETATE, VINYLIDENE CHLORIDE, ISOPROPENYL ACETATE, SUBSTITUTED STYRENES HAVING THE STRUCTURAL FORMULA:
Claim 2
Dependent Claim
98 words
A POLYMERIC HYDROSOL RESULTING FROM THE EMULSION POLYMERIZATION OF A MIXTURE ESSENTIALLY FROM THE EMULSION 14-60% OF A PROTEIN HAVING AN UNSATURATED ACID RADICAL CHEMICALLY COMBINED THEREWITH, A FLEXIBILIZING COMPONENT SELECTED FROM THE GROUP CONSISTING OF THE ALKYL ACRYLATES IN WHICH THE ALKYLS ARE SATURATED AND OF 2-10 CARBON ATOMS, TE ALKYL METHACRYLATES, IN WHICH THE ALKYLS ARE SATURATED AND OF 4-10 CARBON ATOMS, BUTADIENE, ISOPRENE, AND CHLOROPRENE AND A STRENGTHENING COMPONENT SELECTED FROM THE GROUP CONSISTING OF STRYRENE, ACRYLONITRILE, METHYL ACRYLATE, METHYL METHACRYLATE, ETHYL METHACRYLATE, VINYL ACETATE, VINYLIDENE CHLORIDE, ISOPROPENYL ACETATE, SUBSTITUTED STYRENES HAVING THE STRUCTURAL FORMULA:
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) | 1961-09-22 | 1962-03-24 | 1962-09-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-09-22 | 1966-03-24 | 1966-09-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-09-22 | 1970-03-24 | 1970-09-23 | $7700.00 | Window Closed / Lapsed |