US2988417A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for crease-proofing cellulosic fabrics
Assignee: Rohm and Haas Co
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Filing: 1958-12-29
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Granted: 1961-06-13
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Expires: 1978-12-29
Abstract
No abstract record available.
Inventors
- 👤 William D Emmons
- 👤 Jr William S Wadsworth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 18:48
CPC Classifications
D; D06; D06M; D06M13/00; D06M13/244; D06M13/248; D06M13/252; D06M13/10; D06M13/165; D06M13/175; Y; Y10; Y10S; Y10S8/00; Y10S8/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
27 words
A PROCESS COMPRISING IMPREGNATING A CELLULOSE TEXTILE WITH AN AQUEOUS MEDIUM CONTAINING AN ACID CATALYST AND 1 TO 30% BY WEIGHT OF A SULFIDE OF THE FORMULA
Claim 2
Dependent Claim
27 words
A PROCESS COMPRISING IMPREGNATING A CELLULOSE TEXTILE WITH AN AQUEOUS MEDIUM CONTAINING AN ACID CATALYST AND 1 TO 30% BY WEIGHT OF A SULFIDE 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) | 1964-06-12 | 1964-12-12 | 1965-06-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-06-12 | 1968-12-12 | 1969-06-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-06-12 | 1972-12-12 | 1973-06-13 | $7700.00 | Window Closed / Lapsed |