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US3104933A Expired / Lapsed US ⏱️ 0.0 years remaining

Method of dyeing with polyvinyl alcohol ester and quaternary ammonium compounds

Assignee: Yardney International Corp
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Filing: 1960-07-11
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Granted: 1963-09-24
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Expires: 1980-07-11
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Abstract

No abstract record available.

Inventors

  • 👤 Mendelsohn Meyer
  • 👤 Horowitz Carl

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-28 14:15
CPC Classifications
D; D06; D06P; D06P1/00; D06P1/44; D06P1/52; D06P1/5207; D06P1/525; D06M; D06M15/00; D06M15/19; D06M15/21; D06M15/327; D06M15/333; D06P1/655; D06P1/66

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 95 words
A METHOD FOR DYEING A POLYMER SELECTED FROM THE GROUP CONSISTING OF POLYAMIDES, PROTEINCEOUS MATERIALS, CELLULOSIC MATERIALS AND LATEX RUBBER COMPRISING CONTACTING SAID POLYMER TO BE DYED WITH A PRODUCT SELECTED FROM THE GROUP CONSISTING OF (1) A PARTIAL POLYVINYL ALCOHOL ESTER OF A POLYCARBOXYLIC ACID AND (2) A PARTIAL POLYVINYL ALCOHOL ESTER OF A POLYCARBOXYLIC ACID AND AN ALIPHATIC QUATERNARY AMMONIUM HALIDE HAVING AT LEAST ONE SUBSTITUENT GROUP CONTAINING FROM 8 TO 18 CARBON ATOMS IN THE CARBON CHAIN AND SUBSEQUENTLY CONTACTING THE TREATED MATERIAL WITH A DYE UNTIL THE DESIRED COLOR IS ATTAINED.
Claim 2
Independent Claim 95 words
A METHOD FOR DYEING A POLYMER SELECTED FROM THE GROUP CONSISTING OF POLYAMIDES, PROTEINCEOUS MATERIALS, CELLULOSIC MATERIALS AND LATEX RUBBER COMPRISING CONTACTING SAID POLYMER TO BE DYED WITH A PRODUCT SELECTED FROM THE GROUP CONSISTING OF (1) A PARTIAL POLYVINYL ALCOHOL ESTER OF A POLYCARBOXYLIC ACID AND (2) A PARTIAL POLYVINYL ALCOHOL ESTER OF A POLYCARBOXYLIC ACID AND AN ALIPHATIC QUATERNARY AMMONIUM HALIDE HAVING AT LEAST ONE SUBSTITUENT GROUP CONTAINING FROM 8 TO 18 CARBON ATOMS IN THE CARBON CHAIN AND SUBSEQUENTLY CONTACTING THE TREATED MATERIAL WITH A DYE UNTIL THE DESIRED COLOR IS ATTAINED.

References Cited (Backward Citations)

US2292211A Cited
US2387931A Cited
GB758937A Cited
US2965594A Cited
US2881045A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1966-09-23 1967-03-25 1967-09-24 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1970-09-23 1971-03-25 1971-09-24 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1974-09-23 1975-03-25 1975-09-24 $7700.00 Window Closed / Lapsed

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