US3023071A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the coloration of nylon type 11 fibres
Assignee: Compagnie Francaise des Matieres Colorantes SARL
•
Filing: 1959-09-18
•
Granted: 1962-02-27
•
Expires: 1979-09-18
Abstract
No abstract record available.
Inventors
- 👤 Jirou Marcel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 19:09
CPC Classifications
C; C09; C09B; C09B31/00; C09B31/02; C09B31/12; C09B31/14; Y; Y10; Y10S; Y10S8/00; Y10S8/92; Y10S8/924
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
23 words
PROCESS FOR THE COLORATION OF CONDENSATION PRODUCTS OF W-AMINOUNDECANOIC ACID WHICH COMPRISES USING AS THE COLOURING AGENT A DYESTUFF OF THE GENERAL FORMULA:
Claim 2
Dependent Claim
23 words
PROCESS FOR THE COLORATION OF CONDENSATION PRODUCTS OF W-AMINOUNDECANOIC ACID WHICH COMPRISES USING AS THE COLOURING AGENT A DYESTUFF OF THE GENERAL FORMULA:
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-02-26 | 1965-08-28 | 1966-02-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-02-26 | 1969-08-28 | 1970-02-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-02-26 | 1973-08-28 | 1974-02-27 | $7700.00 | Window Closed / Lapsed |