US3198595A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Step-wise process for coloring anb fin- ishing cellulose materials wherein a cationic dye-fixing agent is employed with the resin finishing agent
Assignee: —
•
Filing: —
•
Granted: 1965-08-03
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Expires: 1982-08-03
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 16:41
CPC Classifications
D; D06; D06P; D06P1/00; D06P1/44; D06P1/52; D06P1/56; D06P1/38; D06P3/00; D06P3/58; D06P3/60; D06P3/66; D06P5/00; D06P5/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
59 words
IN THE PROCESS OF COLOURING CELLULOSE MATERIALS COMPRISING TREATMENT WITH A REACTIVE DYE-STUFF, THEREAFTER APPLYING A RESIN-FINISHING AGENT AND THEREAFTER BAKING THE TREATED MATERIAL TO CURE THE RESIN, THE IMPROVEMENT WHICH CONSISTS IN ADDING TO THE AQUEOUS LIQUOR CONTAINING THE RESIN-FINISHING AGENT, AN ORGANIC CATIONIC DYE-FIXING AGENT FREE FROM ANIONIC SOLUBILIZING GROUPS AND HAVING AT LEAST ONE AMMONIUM GROUP.
Claim 2
Dependent Claim
59 words
IN THE PROCESS OF COLOURING CELLULOSE MATERIALS COMPRISING TREATMENT WITH A REACTIVE DYE-STUFF, THEREAFTER APPLYING A RESIN-FINISHING AGENT AND THEREAFTER BAKING THE TREATED MATERIAL TO CURE THE RESIN, THE IMPROVEMENT WHICH CONSISTS IN ADDING TO THE AQUEOUS LIQUOR CONTAINING THE RESIN-FINISHING AGENT, AN ORGANIC CATIONIC DYE-FIXING AGENT FREE FROM ANIONIC SOLUBILIZING GROUPS AND HAVING AT LEAST ONE AMMONIUM GROUP.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-08-02 | 1969-02-01 | 1969-08-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-02 | 1973-02-01 | 1973-08-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-02 | 1977-02-01 | 1977-08-03 | $7700.00 | Window Closed / Lapsed |