US3150984A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coloring of regenerated cellulose articles
Assignee: Continental Group Inc
•
Filing: 1962-10-29
•
Granted: 1964-09-29
•
Expires: 1982-10-29
Abstract
No abstract record available.
Inventors
- 👤 Ronald L Broadhead
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 03:45
CPC Classifications
D; D01; D01F; D01F2/00; D01F2/06; D01F2/08; D01F2/16; A; A22; A22C; A22C13/00; A22C13/0013; A22C2013/002; A22C2013/0096; Y; Y10; Y10T; Y10T428/00; Y10T428/13; Y10T428/1324
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
68 words
IN THE METHOD OF PRODUCING ARTICLES OF REGENERATED CELLULOSE BY EXTRUSION OF VISCOSE INTO A COAGULATING MEDIUM, THE IMPROVEMENT WHICH COMPRISES MIXING WHOLE BLOOD WITH WATER AND A MINOR AMOUNT OF ALKALI, AND ADDING THE MIXTURE TO THE VISCOSE, PRIOR TO COAGULATION OF THE VISCOSE, IN AN AMOUNT SUFFICIENT TO COLOR THE REGENERATED CELLULOSE PRODUCT, AND HARDENING THE PROTEINACEOUS CONSTITUENTS OF THE BLOOD IN THE REGENERATED CELLULOSE PRODUCT.
Claim 2
Dependent Claim
68 words
IN THE METHOD OF PRODUCING ARTICLES OF REGENERATED CELLULOSE BY EXTRUSION OF VISCOSE INTO A COAGULATING MEDIUM, THE IMPROVEMENT WHICH COMPRISES MIXING WHOLE BLOOD WITH WATER AND A MINOR AMOUNT OF ALKALI, AND ADDING THE MIXTURE TO THE VISCOSE, PRIOR TO COAGULATION OF THE VISCOSE, IN AN AMOUNT SUFFICIENT TO COLOR THE REGENERATED CELLULOSE PRODUCT, AND HARDENING THE PROTEINACEOUS CONSTITUENTS OF THE BLOOD IN THE REGENERATED CELLULOSE PRODUCT.
Claim 3
Dependent Claim
26 words
A METHOD IN ACCORDANCE WITH CLAIM 1 IN WHICH THE WHOLE BLOOD IS ADDED IN THE PRODUCTION OF ABOUT 0.110.0 G. PER 100 G. OF VISCOSE.
Claim 4
Dependent Claim
14 words
A SYNTHETIC SAUSAGE CASING OF REGENERATED CELLULOSE PRODUCED BY THE METHOD OF CLAIM 2.
References Cited (Backward Citations)
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US1955239A
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US1956784A
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US2792313A
Cited
US2934449A
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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) | 1967-09-29 | 1968-03-30 | 1968-09-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-29 | 1972-03-30 | 1972-09-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-29 | 1976-03-30 | 1976-09-29 | $7700.00 | Window Closed / Lapsed |