Exhaust process for dyeing and/or improving the flame resistance of aramid fibers

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 5174790
SERIAL NO

07582396

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Abstract

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Aramid and aramid-blend fabrics are dyed or flame-retardant treated or both dyed and flame-retardant treated using conventional heat dyeing equipment. Octylpyrrolidones, tributyl phosphine oxide and mixtures of N-cyclohexyl-2-pyrrolidone with available dye carriers are used as diffusion-promoting agents for dyes, flame retardant agents or both. Odor-free, flame resistant, colored or colored and highly flame resistant products result.

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Patent Owner(s)

Patent OwnerAddress
SOUTHERN MILLS INC6501 MALL BOULEVARD P O BOX 289 UNION CITY GA 30291

International Classification(s)

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  • 1990 Application Filing Year
  • D06P Class
  • 109 Applications Filed
  • 1 Patents Issued To-Date
  • 0.92 % Issued To-Date
Click to zoom InYear of Issuance% of Matters IssuedCumulative IssuancesYearly Issuances199019911992199319940255075100

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Cates, Barbara J Greensboro, NC 11 233
Riggins, Phillip H Greensboro, NC 19 416

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  • 19 Citation Count
  • D06P Class
  • 0 % this patent is cited more than
  • 33 Age
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