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US2934459A Expired / Lapsed US ⏱️ 0.0 years remaining

Azoic colors

Assignee: Union Carbide Corp
•
Filing: 1957-08-02
•
Granted: 1960-04-26
•
Expires: 1977-08-02
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Abstract

No abstract record available.

Inventors

  • 👤 Jr Peter C Canovai

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-01 18:11
CPC Classifications
C; C09; C09B; C09B69/00; C09B69/008; C03; C03C; C03C25/00; C03C25/10; C03C25/465; C03C25/475; C09B29/00; C09B29/06; C09B29/08; C09B31/00; C09B31/02

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 22 words
A PROCESS FOR COLORING FABRIC, WICH COMPRISES THE STEPS OF TREATING THE FABRIC WITH AN ARYLAMINOALKYLSILANE AS REPRESENTED BY THE GENERAL FORMULA:
Claim 2
Dependent Claim 22 words
A PROCESS FOR COLORING FABRIC, WICH COMPRISES THE STEPS OF TREATING THE FABRIC WITH AN ARYLAMINOALKYLSILANE AS REPRESENTED BY THE GENERAL FORMULA:

References Cited (Backward Citations)

US2436304A Cited
US2715133A Cited
US2762823A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1963-04-26 1963-10-26 1964-04-26 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1967-04-26 1967-10-26 1968-04-26 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1971-04-26 1971-10-26 1972-04-26 $7700.00 Window Closed / Lapsed

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