Patent US3142529A successfully refreshed from Google Patents.
US3142529A
Expired / Lapsed
US
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Process for the coloration of cellulose textile fibers
Assignee: GAF Chemicals Corp
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Filing: 1960-08-19
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Granted: 1964-07-28
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Expires: 1980-08-19
Abstract
No abstract record available.
Inventors
- 👤 Harlan B Freyermuth
- 👤 Henry R Mautner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 15:17
CPC Classifications
D; D06; D06P; D06P1/00; D06P1/44; D06P1/52; D06P1/56; D06M; D06M15/00; D06M15/19; D06M15/37; D06M15/39; D06M15/423; Y; Y10; Y10S; Y10S8/00; Y10S8/04; Y10S8/21; Y10S8/916; Y10S8/918; Y10S8/933
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
72 words
A PROCESS FOR THE COLORATION OF CELLULOSE TEXTILE FIBERS COMPRISING TREATING THE FIBERS WITH AN AQUEOUS MEDIUM CONTAINING A SOLUBLE NON-FIBER REACTIVE DYESTUFF, A SOLUBLE ACID-CURING AMINOPLAST AND A SOLUBLE ACID-RACTING CATALYST FOR THE AMINOPLAST, SAID AMINOPLAST BEING A SOLUBLE CONDENSATION PRODUCT OF AN ALDEHYDE WITH A MEMBER OF THE GROUP CONSISTING OF AMINOTRIAZINES AND TRIAZONES, DRYING AND THEN HEATING THE TREATED AND DRIED FIBERS AT A TEMPERATURE OF AT LEAST 350*F.
Claim 2
Dependent Claim
72 words
A PROCESS FOR THE COLORATION OF CELLULOSE TEXTILE FIBERS COMPRISING TREATING THE FIBERS WITH AN AQUEOUS MEDIUM CONTAINING A SOLUBLE NON-FIBER REACTIVE DYESTUFF, A SOLUBLE ACID-CURING AMINOPLAST AND A SOLUBLE ACID-RACTING CATALYST FOR THE AMINOPLAST, SAID AMINOPLAST BEING A SOLUBLE CONDENSATION PRODUCT OF AN ALDEHYDE WITH A MEMBER OF THE GROUP CONSISTING OF AMINOTRIAZINES AND TRIAZONES, DRYING AND THEN HEATING THE TREATED AND DRIED FIBERS AT A TEMPERATURE OF AT LEAST 350*F.
References Cited (Backward Citations)
US2093651A
Cited
US2310004A
Cited
US2191362A
Cited
US2169546A
Cited
US2416884A
Cited
US2467160A
Cited
US2609307A
Cited
BE573126A
Cited
GB846505A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-07-28 | 1968-01-27 | 1968-07-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-07-28 | 1972-01-27 | 1972-07-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-07-28 | 1976-01-27 | 1976-07-28 | $7700.00 | Window Closed / Lapsed |