US3301696A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the improvement of the wash-fastness of prints on cellulose-containing materials with dyestuffs containing water-solubilizing groups
Assignee: Bayer AG
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Filing: 1962-11-28
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Granted: 1967-01-31
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Expires: 1982-11-28
Abstract
No abstract record available.
Inventors
- 👤 Taube Carl
- 👤 Bockmann Klaus
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 18:47
CPC Classifications
D; D06; D06P; D06P1/00; D06P1/44; D06P1/655; D06P1/66; D06P5/00; D06P5/001; Y; Y10; Y10S; Y10S8/00; Y10S8/916; Y10S8/918
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
70 words
A PROCESS FOR IMPROVING THE WASH-FASTNESS OF DYE PRINTS ON CELLULOSE-CONTAINING MATERIALS WHEREIN THE DYES EMPLOYED CONTAIN WATER-SOLUBILIZING GROUPS, COMPRISING TREATING THE DYE PRINTS WITH AN EFFECTIVE AMOUNT OF A MIXTURE CONTAINING, AS ACTIVE INGREDIENT, A QUATERNARY POLYALKYLENE POLAMINE AND A HARDENABLE PRELIMINARY RESIN PRODUCT SELECTED FROM THE CLASS CONSISTING OF A METHYLOLUREA, METHYLOL-MELAMINE, METHYLOL-CARBAMATE, AND THEIR ALKYL ETHERS, AND THEREAFTER SUBJECTING THE PRINT TO A TEMPERATURE OF ABOUT 100-180*C.
Claim 2
Dependent Claim
70 words
A PROCESS FOR IMPROVING THE WASH-FASTNESS OF DYE PRINTS ON CELLULOSE-CONTAINING MATERIALS WHEREIN THE DYES EMPLOYED CONTAIN WATER-SOLUBILIZING GROUPS, COMPRISING TREATING THE DYE PRINTS WITH AN EFFECTIVE AMOUNT OF A MIXTURE CONTAINING, AS ACTIVE INGREDIENT, A QUATERNARY POLYALKYLENE POLAMINE AND A HARDENABLE PRELIMINARY RESIN PRODUCT SELECTED FROM THE CLASS CONSISTING OF A METHYLOLUREA, METHYLOL-MELAMINE, METHYLOL-CARBAMATE, AND THEIR ALKYL ETHERS, AND THEREAFTER SUBJECTING THE PRINT TO A TEMPERATURE OF ABOUT 100-180*C.
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) | 1970-01-30 | 1970-08-01 | 1971-01-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-30 | 1974-08-01 | 1975-01-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-30 | 1978-08-01 | 1979-01-31 | $7700.00 | Window Closed / Lapsed |