US2694633A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Affixing organic and inorganic additaments to cellulosic materials
Assignee: Talbott Dev Associates
•
Filing: 1950-02-23
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Granted: 1954-11-16
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Expires: 1970-02-23
Abstract
No abstract record available.
Inventors
- 👤 Donald K Pattilloch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:19
CPC Classifications
D; D21; D21H; D21H17/00; D21H17/03; D21H17/05; D21H17/07; D06; D06M; D06M13/00; D06M13/322; D06M13/325; D06M13/332; D06M13/402; D06M13/44; D06M13/453; D06M13/46; D06M13/47; D06M13/477
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
58 words
PROCES OF AFFIXING WATER-INSOLUBLE ADDITAMENTS TO FIBROUS MATERIALS WHICH COMPRISES CONDITIONING SAID MATERIALS BY SUBJECTING THEM IN AN AQUEOUS ENVIRONMENT TO THE ACTION OF FROM ABOUT 1% TO ABOUT 20% OF THEIR DRY WEIGHT OF A CATIONICALLY ACTIVE SUBSTANTIALLY WATER-INSOLUBLE BUT WATER-DISPERSIBLE HIGHLY POLAR SURFACE-ACTIVE AGENT FROM THE GROUP CONSISTING OF: (1) SUBSTITUTED AMIDES HAVING THE GENERAL FORMULA
Claim 2
Dependent Claim
58 words
PROCES OF AFFIXING WATER-INSOLUBLE ADDITAMENTS TO FIBROUS MATERIALS WHICH COMPRISES CONDITIONING SAID MATERIALS BY SUBJECTING THEM IN AN AQUEOUS ENVIRONMENT TO THE ACTION OF FROM ABOUT 1% TO ABOUT 20% OF THEIR DRY WEIGHT OF A CATIONICALLY ACTIVE SUBSTANTIALLY WATER-INSOLUBLE BUT WATER-DISPERSIBLE HIGHLY POLAR SURFACE-ACTIVE AGENT FROM THE GROUP CONSISTING OF: (1) SUBSTITUTED AMIDES HAVING THE GENERAL FORMULA
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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) | 1957-11-15 | 1958-05-17 | 1958-11-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-11-15 | 1962-05-17 | 1962-11-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-11-15 | 1966-05-17 | 1966-11-16 | $7700.00 | Window Closed / Lapsed |