US3418064A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the dyeing,padding and printing of textile materials with anthraquinone dyes
Assignee: Sandoz AG
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Filing: 1964-04-23
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Granted: 1968-12-24
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Expires: 1984-04-23
Abstract
No abstract record available.
Inventors
- 👤 Paul Buecheler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 23:35
CPC Classifications
C; C09; C09B; C09B1/00; C09B1/50; C09B1/51; C09B1/515; C09B1/5155; C09B1/002; C09B1/16; C09B1/20; C09B1/207; C09B1/26; C09B1/28; C09B1/285; C09B1/32; C09B1/325; C09B1/501; C09B1/54; C09B1/542; C09B1/56; C09B1/565; C09B5/00; C09B5/24; C09B69/00; D; D06; D06P; D06P3/00; D06P3/70; D06P3/72; Y; Y10; Y10S; Y10S8/00; Y10S8/92; Y10S8/927
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
49 words
A PROCESS WHICH COMPRISES ONE OF DYEING, PADDING AND PRINTING A MEMBER SELECTED FROM THE GROUP CONSISTING OF POLYACRYLONITRILE FIBERS AND ACRYLONITRILE COPOLYMER FIBERS WITH AN ANTHRAQUINONE DYE HAVING DIRECTLY BOUND TO AT LEAST ONE A-CARBON OF THE ANTHRAQUINONE NUCLEUS IN ITS MOLECULAR STRUCTURE A SUBSTITUENT OF THE FORMULA
Claim 2
Dependent Claim
49 words
A PROCESS WHICH COMPRISES ONE OF DYEING, PADDING AND PRINTING A MEMBER SELECTED FROM THE GROUP CONSISTING OF POLYACRYLONITRILE FIBERS AND ACRYLONITRILE COPOLYMER FIBERS WITH AN ANTHRAQUINONE DYE HAVING DIRECTLY BOUND TO AT LEAST ONE A-CARBON OF THE ANTHRAQUINONE NUCLEUS IN ITS MOLECULAR STRUCTURE A SUBSTITUENT OF THE FORMULA
Claim 3
Dependent Claim
50 words
A PROCESS WHICH COMPRISES ONE OF DYEING, PADDING AND PRINTING OF A MEMBER SELECTED FROM THE GROUP CONSISTING OF POLYACRYLONITRILE FIBER AND ACRYLONITRILE COPOLYMER FIBER WITH AN ANTHRAQUINONE DYE HAVING DIRECTLY BOUND TO AT LEAST ONE A-CARBON OF THE ANTHRAQUINONE NUCLEUS IN ITS MOLECULAR STRUCTURE A SUBSTITUENT OF THE FORMULA
Claim 4
Dependent Claim
50 words
A PROCESS WHICH COMPRISES ONE OF DYEING, PADDING AND PRINTING OF A MEMBER SELECTED FROM THE GROUP CONSISTING OF POLYACRYLONITRILE FIBER AND ACRYLONITRILE COPOLYMER FIBER WITH AN ANTHRAQUINONE DYE HAVING DIRECTLY BOUND TO AT LEAST ONE A-CARBON OF THE ANTHRAQUINONE NUCLEUS IN ITS MOLECULAR STRUCTURE A SUBSTITUENT OF 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) | 1971-12-24 | 1972-06-24 | 1972-12-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-24 | 1976-06-24 | 1976-12-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-24 | 1980-06-24 | 1980-12-24 | $7700.00 | Window Closed / Lapsed |