Patent US3125405A successfully refreshed from Google Patents.
US2548520A
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Copolymers of proteins having unsaturated radicals united therewith
Assignee: Eastman Kodak Co
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Filing: 1947-02-13
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Granted: 1951-04-10
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Expires: 1967-02-13
Abstract
No abstract record available.
Inventors
- 👤 Rudolph E Damschroder
- 👤 Jr John W Gates
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 19:56
CPC Classifications
C; C08; C08F; C08F289/00; C07; C07K; C07K1/00; C07K1/107; C07K1/1072; C07K1/1077; C08H; C08H1/00; C08H1/06; C08L; C08L89/00; C08L89/04; C08L89/06
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
51 words
A METHOD OF PREPARING A HIGH MOLECULAR WEIGHT MATERAIL WHICH COMPRISES HEATING A MIXTURE OF PROTEIN COMPOUND SELECTED FROM THE GROUP CONSISTING OF METHACRYLYL PROTEIN, ACRYLYL PROTEIN, AND MALEYL PROTEIN WITH A MONOMER HAVING A CH2=CR- GROUP THEREIN, R BEING A SUBSTITUENT SELECTED FROM THE GROUP CONSISTING OF HYDROGEN AND METHYL.
References Cited (Backward Citations)
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US2336985A
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US2343011A
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US2343012A
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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) | 1954-04-09 | 1954-10-09 | 1955-04-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-04-09 | 1958-10-09 | 1959-04-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-04-09 | 1962-10-09 | 1963-04-10 | $7700.00 | Window Closed / Lapsed |