US2826514A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Treatment of textile materials and composition therefor
Assignee: Shell Development Co
•
Filing: 1955-11-17
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Granted: 1958-03-11
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Expires: 1975-11-17
Abstract
No abstract record available.
Inventors
- 👤 Carl W Schroeder
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 17:35
CPC Classifications
D; D06; D06M; D06M13/00; D06M13/10; D06M13/12; D06M13/123
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
89 words
A PROCESS FOR RENDERING TEXTILE FABRICS MORE CREASE AND SHRINK PROOF WHICH COMPRISES IMPREGNATING THE FABRIC WITH AN AQUEOUS SOLUTION CONTAINING AS THE SOLE POLYMERIZABLE COMPOUND GLUTARALDEHYDE AND A SALT OF A NONALKALI METAL HAVING AN ATOMIC WEIGHT BETWEEN 24 AND 207 AND AN ACID OF THE GROUP CONSISTING OF FLUOBORIC ACID, BORIC ACID, FLUOSILICIC ACID, SULFURIC ACID, PERSULFURIC ACID, PHOSPHORIC ACID, PERCHLORIC ACID, CHLORIC ACID, CHROMIC ACID AND NITRIC ACID AS CURING AGENT AND HEATING THE RESULTING IMPREGNATED FABRIC TO A RELATELY HIGH TEMPERATURE FOR A SHORT PERIOD.
Claim 2
Dependent Claim
89 words
A PROCESS FOR RENDERING TEXTILE FABRICS MORE CREASE AND SHRINK PROOF WHICH COMPRISES IMPREGNATING THE FABRIC WITH AN AQUEOUS SOLUTION CONTAINING AS THE SOLE POLYMERIZABLE COMPOUND GLUTARALDEHYDE AND A SALT OF A NONALKALI METAL HAVING AN ATOMIC WEIGHT BETWEEN 24 AND 207 AND AN ACID OF THE GROUP CONSISTING OF FLUOBORIC ACID, BORIC ACID, FLUOSILICIC ACID, SULFURIC ACID, PERSULFURIC ACID, PHOSPHORIC ACID, PERCHLORIC ACID, CHLORIC ACID, CHROMIC ACID AND NITRIC ACID AS CURING AGENT AND HEATING THE RESULTING IMPREGNATED FABRIC TO A RELATELY HIGH TEMPERATURE FOR A SHORT PERIOD.
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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) | 1961-03-10 | 1961-09-09 | 1962-03-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-03-10 | 1965-09-09 | 1966-03-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-03-10 | 1969-09-09 | 1970-03-11 | $7700.00 | Window Closed / Lapsed |