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US3097908A Expired / Lapsed US ⏱️ 0.0 years remaining

Dyeings and prints possessing fastness to wet processing and their manufacture on cellulose materials and protein fibers

Assignee: Hoechst AG
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Filing: 1960-07-26
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Granted: 1963-07-16
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Expires: 1980-07-26
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Abstract

No abstract record available.

Inventors

  • 👤 Jellinek Karl
  • 👤 Hegedus Thomas
  • 👤 Bartl Hugo

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-27 08:37
CPC Classifications
D; D06; D06P; D06P1/00; D06P1/30; D06P1/305; Y; Y10; Y10S; Y10S8/00; Y10S8/916; Y10S8/917; Y10S8/918

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 83 words
THE PROCESS FOR PROCUDING WET-FAST DYEING AND PRINTS ON SHAPED ARTICLES OF A MATERIAL SELECTED FROM THE GROUP CONSISTING OF CELLULOSE AND NATIVE PROTEIN AND MIXTURES THEREOF WHICH COMPRISES TREATING SAID SHAPED ARTICLES WITH DISPERSED ELEMENTARY SULFUR AND A WATER-SOLUBLE ORGANIC DYESTUFF SELECTED FROM THE GROUP CONSISTING OF PHTHALOCYANINE DYESTUFFS, METAL-PHTHALOCYANINE DYESTUFFS, AZO-DYESTUFFS AND PYRAZOLONE-DUESTUFFS CONTAINING AT LEAST ONE THIOSULFURIC ACID GROUP BOUND TO A CARBON ATOM OF AN AROMATIC NUCLEUS THEREOF THROUGH A MEMBER OF THE GROUP CONSITING OF -CH2-, -SO2-NH-LOWER ALKYLENE,
Claim 2
Dependent Claim 83 words
THE PROCESS FOR PROCUDING WET-FAST DYEING AND PRINTS ON SHAPED ARTICLES OF A MATERIAL SELECTED FROM THE GROUP CONSISTING OF CELLULOSE AND NATIVE PROTEIN AND MIXTURES THEREOF WHICH COMPRISES TREATING SAID SHAPED ARTICLES WITH DISPERSED ELEMENTARY SULFUR AND A WATER-SOLUBLE ORGANIC DYESTUFF SELECTED FROM THE GROUP CONSISTING OF PHTHALOCYANINE DYESTUFFS, METAL-PHTHALOCYANINE DYESTUFFS, AZO-DYESTUFFS AND PYRAZOLONE-DUESTUFFS CONTAINING AT LEAST ONE THIOSULFURIC ACID GROUP BOUND TO A CARBON ATOM OF AN AROMATIC NUCLEUS THEREOF THROUGH A MEMBER OF THE GROUP CONSITING OF -CH2-, -SO2-NH-LOWER ALKYLENE,

References Cited (Backward Citations)

US2670265A Cited
US2895785A Cited
US2180805A Cited
US2245171A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1966-07-15 1967-01-14 1967-07-16 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1970-07-15 1971-01-14 1971-07-16 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1974-07-15 1975-01-14 1975-07-16 $7700.00 Window Closed / Lapsed

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