US3236913A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for coloring textile materials and foils
Assignee: Hoechst AG
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Filing: 1962-08-20
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Granted: 1966-02-22
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Expires: 1982-08-20
Abstract
No abstract record available.
Inventors
- 👤 Pfeiffer Gerhard
- 👤 Schmidt Helmut
- 👤 Stetzelberg Kurt
- 👤 Winkler Fritz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 12:32
CPC Classifications
D; D06; D06P; D06P1/00; D06P1/44; D06P1/60; D06P1/613; D06P1/6138; D06P1/02; D06P1/12; D06P1/122; D06P1/52; D06P1/5207; D06P1/5214; D06P1/5228; D06P1/56; D06P1/58
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
135 words
A PROCESS FOR THE COLORATION OF TEXTILE MATERIALS AND FOILS BY COATING THE MATERIALS WITH A COLORED FILM, WHICH PROCESS CONSISTS IN TREATING THE MATERIALS WITH AN AQUEOUS PREPARATION CONTAINING (A) A REACTION PRODUCT OF DIKETENE WITH A MODIFIED POLYVINYL ALCOHOL WHICH IS A GRAFT COPOLYMER OF A VINYL ESTER OF CARBOXYLIC ACIDS HAVING 1 TO 4 CARBON ATOMS ON A POLYALKYLENE GLYCOL HAVING A MOLECULAR WEIGHT WITHIN THE RANGE OF 400 AND 1,500,000 AND HAVING 2 TO 4 CARBON ATOMS IN THE ALKYLENE UNITS, THE VINYL ESTER GROUPS OF THE GRAFT COPOLYMER BEING SAPONIFIED IN AN AMOUNT OF 20 TO 100%, CALCULATED ON THE WEIGHT OF THE ESTER GROUPS CONTAINED IN THE GRAFT COPOLYMER, AND (B) A STABILIZED DIAZONIUM COMPOUND, AND HEATING THE MATERIALS TO A TEMPERATURE FROM ABOUT 90*C. TO ABOUT 200* C.
Claim 2
Dependent Claim
135 words
A PROCESS FOR THE COLORATION OF TEXTILE MATERIALS AND FOILS BY COATING THE MATERIALS WITH A COLORED FILM, WHICH PROCESS CONSISTS IN TREATING THE MATERIALS WITH AN AQUEOUS PREPARATION CONTAINING (A) A REACTION PRODUCT OF DIKETENE WITH A MODIFIED POLYVINYL ALCOHOL WHICH IS A GRAFT COPOLYMER OF A VINYL ESTER OF CARBOXYLIC ACIDS HAVING 1 TO 4 CARBON ATOMS ON A POLYALKYLENE GLYCOL HAVING A MOLECULAR WEIGHT WITHIN THE RANGE OF 400 AND 1,500,000 AND HAVING 2 TO 4 CARBON ATOMS IN THE ALKYLENE UNITS, THE VINYL ESTER GROUPS OF THE GRAFT COPOLYMER BEING SAPONIFIED IN AN AMOUNT OF 20 TO 100%, CALCULATED ON THE WEIGHT OF THE ESTER GROUPS CONTAINED IN THE GRAFT COPOLYMER, AND (B) A STABILIZED DIAZONIUM COMPOUND, AND HEATING THE MATERIALS TO A TEMPERATURE FROM ABOUT 90*C. TO ABOUT 200* C.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-02-21 | 1969-08-23 | 1970-02-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-21 | 1973-08-23 | 1974-02-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-21 | 1977-08-23 | 1978-02-22 | $7700.00 | Window Closed / Lapsed |