US3323939A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for imparting rot and wrinkle resistant finish to a cellulosic textile material and the resulting textile
Assignee: Wyeth Holdings LLC
•
Filing: 1964-03-09
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Granted: 1967-06-06
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Expires: 1984-03-09
Abstract
No abstract record available.
Inventors
- 👤 Jr William Julius Van Loo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 12:03
CPC Classifications
D; D06; D06M; D06M13/00; D06M13/10; D06M13/184; D06M13/192; D06M13/12; D06M13/123; D06M15/00; D06M15/19; D06M15/37; D06M15/39; D06M15/423; Y; Y10; Y10T; Y10T442/00; Y10T442/20; Y10T442/2369; Y10T442/2393
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
114 words
A PROCESS FOR IMPARTING TO CELLULOSE CONTAINING TEXTILE MATERIALS ROT AND WRINKLE RESISTANCE WITH MINIMUM TENSILE STRENGTH LOSES, WHICH COMPRISES TREATING THE MATERIAL WITH AN AQUEOUS IMPREGNATING SOLUTION OF A MELAMINE FORMALDEHYDE RESIN IN AN AMOUNT OF FROM 1 TO ABOUT 30% BASED ON THE WEIGHT OF THE MATERIAL WHICH CONTAINS A CURING CATALYST, CURING SAID RESIN IMPREGNATED MATERIAL IN THE PRESENCE OF WATER, SUBSEQUENTLY APPLYING TO SAID TREATED MATERIAL A NON-AQUEOUS SOLUTION OF A MEMBER OF THE GROUP CONSISTING OF WATER INSOLUBLE AND WATER REACTIVE DIFUNCTIONAL COMPOUNDS IN AN AMOUNT FROM 1 TO ABOUT 30% BASED ON THE WEIGHT OF THE MATERIAL OF SAID DIFUNCTIONAL COMPOUNDS AND HEAT CURING THE THUS TREATED MATERIAL.
Claim 2
Dependent Claim
114 words
A PROCESS FOR IMPARTING TO CELLULOSE CONTAINING TEXTILE MATERIALS ROT AND WRINKLE RESISTANCE WITH MINIMUM TENSILE STRENGTH LOSES, WHICH COMPRISES TREATING THE MATERIAL WITH AN AQUEOUS IMPREGNATING SOLUTION OF A MELAMINE FORMALDEHYDE RESIN IN AN AMOUNT OF FROM 1 TO ABOUT 30% BASED ON THE WEIGHT OF THE MATERIAL WHICH CONTAINS A CURING CATALYST, CURING SAID RESIN IMPREGNATED MATERIAL IN THE PRESENCE OF WATER, SUBSEQUENTLY APPLYING TO SAID TREATED MATERIAL A NON-AQUEOUS SOLUTION OF A MEMBER OF THE GROUP CONSISTING OF WATER INSOLUBLE AND WATER REACTIVE DIFUNCTIONAL COMPOUNDS IN AN AMOUNT FROM 1 TO ABOUT 30% BASED ON THE WEIGHT OF THE MATERIAL OF SAID DIFUNCTIONAL COMPOUNDS AND HEAT CURING THE THUS TREATED MATERIAL.
References Cited (Backward Citations)
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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) | 1970-06-05 | 1970-12-05 | 1971-06-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-06-05 | 1974-12-05 | 1975-06-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-06-05 | 1978-12-05 | 1979-06-06 | $7700.00 | Window Closed / Lapsed |