US3102773A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for treating textiles
Assignee: ChampionX LLC
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Filing: 1959-06-25
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Granted: 1963-09-03
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Expires: 1979-06-25
Abstract
No abstract record available.
Inventors
- 👤 Saul B Needleman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 14:30
CPC Classifications
D; D06; D06M; D06M13/00; D06M13/322; D06M13/402; D06M13/41; D06M13/412; C; C08; C08B; C08B11/00; C08B11/02; C08B11/04; C08B11/14; C08B15/00; C08B15/05; C08B15/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
56 words
THE PROCESS OF TREATING CELLULOSE FABRICS TO IMPROVE THEIR SHAPE HOLDING QUALITIES WHICH COMPRISES THE SEQUENTIAL STEPS OF CONTACTING SAID FABRICS WITH AN AQUEOUS BATH CONTAINING FROM 5% TO 20% BY WEIGHT OF SODIUM HYDROXIDE, CONTACTING THE ALKALI-TREATED FABRIC WITH AN AQUEOUS SOLUTION CONTAINING FROM 1% TO THE SATURATION SOLUBILITY OF AN ACRYLAMIDE OF THE FORMULA:
Claim 2
Dependent Claim
56 words
THE PROCESS OF TREATING CELLULOSE FABRICS TO IMPROVE THEIR SHAPE HOLDING QUALITIES WHICH COMPRISES THE SEQUENTIAL STEPS OF CONTACTING SAID FABRICS WITH AN AQUEOUS BATH CONTAINING FROM 5% TO 20% BY WEIGHT OF SODIUM HYDROXIDE, CONTACTING THE ALKALI-TREATED FABRIC WITH AN AQUEOUS SOLUTION CONTAINING FROM 1% TO THE SATURATION SOLUBILITY OF AN ACRYLAMIDE OF THE 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) | 1966-09-02 | 1967-03-04 | 1967-09-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-02 | 1971-03-04 | 1971-09-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-02 | 1975-03-04 | 1975-09-03 | $7700.00 | Window Closed / Lapsed |