US3084016A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for coloring cellulose textile materials with water-insoluble reactive dyestuffs
Assignee: Imperial Chemical Industries Ltd
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Filing: 1960-01-25
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Granted: 1963-04-02
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Expires: 1980-01-25
Abstract
No abstract record available.
Inventors
- 👤 Dawson Timothy Leslie
- 👤 Rattee Ian Durham
- 👤 Hutchinson Arthur
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 13:10
CPC Classifications
C; C09; C09B; C09B62/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
85 words
PROCESS FOR COLORING CELLULOSE TEXTILE MATERIAL WHICH COMPRISES TREATING THE CELLULOSE TEXTILE MATERIAL WITH A DISPERSE, WATER-INSOLUBLE DYESTUFF FREE FROM SULFONIC ACID ABD CARBOXYLIC ACID GROUPS AND CONTAINING A HYDROXY SUBSTITUENT A GROUP WHICH IS CAPABLE OF REACTING WITH SAID CELLULOSE TEXTILE MATERIAL, WHEREBY THE DYESTUFF IS ATTACHED TO THE CELLULOSE TEXTILE MATERIAL BY A CHEMICAL BOND, AND WITH AN ACID-BINDING AGENT AND SUBJECTING SAID TEXTILE MATERIAL TO THE ACTION OF AN ELEVATED TEMPERATURE TO COMPLETE THE REACTION OF SAID DYESTUFF WITH SAID TEXTILE MATERIAL.
Claim 2
Dependent Claim
85 words
PROCESS FOR COLORING CELLULOSE TEXTILE MATERIAL WHICH COMPRISES TREATING THE CELLULOSE TEXTILE MATERIAL WITH A DISPERSE, WATER-INSOLUBLE DYESTUFF FREE FROM SULFONIC ACID ABD CARBOXYLIC ACID GROUPS AND CONTAINING A HYDROXY SUBSTITUENT A GROUP WHICH IS CAPABLE OF REACTING WITH SAID CELLULOSE TEXTILE MATERIAL, WHEREBY THE DYESTUFF IS ATTACHED TO THE CELLULOSE TEXTILE MATERIAL BY A CHEMICAL BOND, AND WITH AN ACID-BINDING AGENT AND SUBJECTING SAID TEXTILE MATERIAL TO THE ACTION OF AN ELEVATED TEMPERATURE TO COMPLETE THE REACTION OF SAID DYESTUFF WITH SAID TEXTILE MATERIAL.
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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) | 1966-04-01 | 1966-10-01 | 1967-04-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-01 | 1970-10-01 | 1971-04-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-01 | 1974-10-01 | 1975-04-02 | $7700.00 | Window Closed / Lapsed |