US3211513A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for dyeing and printing reactive dyestuffs
Assignee: BASF Corp
•
Filing: 1962-08-14
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Granted: 1965-10-12
•
Expires: 1982-08-14
Abstract
No abstract record available.
Inventors
- 👤 Ulrich Paul
- 👤 Schaub Heinz Peter
- 👤 Bosshard Hans Heinrich
- 👤 Koller Eugen Johann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 07:48
CPC Classifications
D; D06; D06P; D06P1/00; D06P1/44; D06P1/64; D06P1/642; D06P1/6426; D06P1/52; D06P1/5264; D06P1/5278; D06P1/645; Y; Y10; Y10S; Y10S8/00; Y10S8/916; Y10S8/919
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
45 words
A PROCESS FOR COLORING CELLULOSIC FIBROUS MATERIAL WITH REACTIVE DYESTUFFS WHICH COMPRISES APPLYING TO THE FIBROUS MATERIAL AN AQUEOUS PREPARATION CONTAINING THE DYESTUFF AND TO WHICH HAS BEEN ADDED IN A SUBSTOICHIOMETRIC AMOUNT CALCULATED ON THE AMOUNT OF DYESTUFF A TERTIARY AMINE OF THE FORMULA
Claim 2
Dependent Claim
45 words
A PROCESS FOR COLORING CELLULOSIC FIBROUS MATERIAL WITH REACTIVE DYESTUFFS WHICH COMPRISES APPLYING TO THE FIBROUS MATERIAL AN AQUEOUS PREPARATION CONTAINING THE DYESTUFF AND TO WHICH HAS BEEN ADDED IN A SUBSTOICHIOMETRIC AMOUNT CALCULATED ON THE AMOUNT OF DYESTUFF A TERTIARY AMINE OF THE FORMULA
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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) | 1968-10-11 | 1969-04-12 | 1969-10-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-11 | 1973-04-12 | 1973-10-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-11 | 1977-04-12 | 1977-10-12 | $7700.00 | Window Closed / Lapsed |