US3178254A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for coloring fibrous materials
Assignee: BASF Schweiz AG
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Filing: 1962-12-04
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Granted: 1965-04-13
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Expires: 1982-12-04
Abstract
No abstract record available.
Inventors
- 👤 Hoelzle Gerd
- 👤 Ulrich Paul
- 👤 Schaub Heinz Peter
- 👤 Bosshard Hans Heinrich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 12:49
CPC Classifications
D; D06; D06P; D06P3/00; D06P3/58; D06P3/60; D06P3/66; C; C07; C07D; C07D239/00; C07D239/02; C07D239/24; C07D239/28; C07D239/32; C07D239/42; C07D251/00; C07D251/02; C07D251/12; C07D251/26; C07D251/40; C07D251/42; C07D251/44; C07D251/46; C07D251/48; C07D251/52; C07D251/54; C07D251/66; C07D251/70; C07D253/00; C07D253/02; C07D453/00; C07D453/02; C07D487/00; C07D487/02; C07D487/04; C07D487/08; C09; C09B; C09B62/00; D06P1/00; D06P1/44; D06P1/655; D06P1/66; D06P3/02; D06P3/04; D06P3/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
51 words
PROCESS FOR COLORING FIBROUS MATERIALS WITH A MEMBER SELECTED FROM THE GROUP CONSISTING OF REACTIVE DYESTUFFS AND REACTIVE DYESTUFF INTERMEDIATES WHICH PROCESS COMPRISES APPLYING AS AGENT THAT PROMOTES THE REACTION BETWEEN SAID REACTIVE MEMBERS AND THE FIBROUS MATERIALS A QUATERNARY NITROGEN COMPOUND THAT HAS NO DYESTUFF CHARACTER AND HAS THE FORMULA
Claim 2
Dependent Claim
51 words
PROCESS FOR COLORING FIBROUS MATERIALS WITH A MEMBER SELECTED FROM THE GROUP CONSISTING OF REACTIVE DYESTUFFS AND REACTIVE DYESTUFF INTERMEDIATES WHICH PROCESS COMPRISES APPLYING AS AGENT THAT PROMOTES THE REACTION BETWEEN SAID REACTIVE MEMBERS AND THE FIBROUS MATERIALS A QUATERNARY NITROGEN COMPOUND THAT HAS NO DYESTUFF CHARACTER AND HAS THE FORMULA
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-04-12 | 1968-10-12 | 1969-04-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-04-12 | 1972-10-12 | 1973-04-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-04-12 | 1976-10-12 | 1977-04-13 | $7700.00 | Window Closed / Lapsed |