Patent US2415832A successfully refreshed from Google Patents.
US2822339A
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Preparation of orientable protein-containing polymers
Assignee: Eastman Kodak Co
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Filing: 1955-01-24
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Granted: 1958-02-04
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Expires: 1975-01-24
Abstract
No abstract record available.
Inventors
- 👤 Jr Hugh J Hagemeyer
- 👤 Elizabeth L Oglesby
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:42
CPC Classifications
C; C08; C08F; C08F289/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
101 words
THE METHOD WHICH COMPRISES HEATING IN THE PRESENCE OF A POLYMERIZATION CATALYST A MIXTURE OF 5-50% BY WEIGHT OF A DETERGENT-UNFOLDED PROTEIN, WHICH DETERGENTUNFOLDED PROTEIN IS OBTAINED BY HEATING PROTEIN AT A TEMPERATURE OF FROM ABOUT 30 TO 70*C. WITH AN AQUEOUS SOLUTION OF A DETERGENT FROM THE GROUP CONSISTING OF ALKYL, ARYL, AND ALKYLARYL SULFONATES AND ALKALI METAL SALTS THEREOF, DIALKYL SODIUM SULFOSUCCINATES, AND ALKALI METAL ALKYL SULFATES, AND 95-50% BY WEIGHT OF MONOMERIC MATERIAL CONSISTING OF 75-100% BY WEIGHT OF ACRYLONITRILE AND 25-0% BY WEIGHT OF OTHER POLYMERIZABLE MONOOLEFINIC MONOMERIC MATERIAL AND THEREBY FORMING A COMPOSITE UNITARY FIBER-FORMING POLYMER.
Claim 2
Independent Claim
101 words
THE METHOD WHICH COMPRISES HEATING IN THE PRESENCE OF A POLYMERIZATION CATALYST A MIXTURE OF 5-50% BY WEIGHT OF A DETERGENT-UNFOLDED PROTEIN, WHICH DETERGENTUNFOLDED PROTEIN IS OBTAINED BY HEATING PROTEIN AT A TEMPERATURE OF FROM ABOUT 30 TO 70*C. WITH AN AQUEOUS SOLUTION OF A DETERGENT FROM THE GROUP CONSISTING OF ALKYL, ARYL, AND ALKYLARYL SULFONATES AND ALKALI METAL SALTS THEREOF, DIALKYL SODIUM SULFOSUCCINATES, AND ALKALI METAL ALKYL SULFATES, AND 95-50% BY WEIGHT OF MONOMERIC MATERIAL CONSISTING OF 75-100% BY WEIGHT OF ACRYLONITRILE AND 25-0% BY WEIGHT OF OTHER POLYMERIZABLE MONOOLEFINIC MONOMERIC MATERIAL AND THEREBY FORMING A COMPOSITE UNITARY FIBER-FORMING POLYMER.
References Cited (Backward Citations)
US2594293A
Cited
US2562534A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-02-03 | 1961-08-05 | 1962-02-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-02-03 | 1965-08-05 | 1966-02-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-02-03 | 1969-08-05 | 1970-02-04 | $7700.00 | Window Closed / Lapsed |