Phenol-aldehyde Fiber Dyeing Composition, Process, Or Dyed Product Patents (Class 8/535)
  • Formulations having benzoate dye carriers for meta-aramid articles
    Patent number: 10106926
    Abstract: Glycol ether benzoates, glycol benzoates and methyl benzoate facilitate the dyeing of the meta-aramid article, e.g., fibers, at or near neutral pH. The addition of an anionic surfactant, such as sodium lauryl sulfate, enhances the performance of the benzoates.
    Type: Grant
    Filed: June 9, 2016
    Date of Patent: October 23, 2018
    Assignee: Dow Global Technologies LLC
    Inventors: Aleksandr T. Gamble, Felipe A. Donate, Rebecca J. Wachowicz
  • Hair dyeing method using an aliphatic cationic amine and compound chosen from an aldehyde, a ketone, a quinone, a di-imino-isoindoline, and a 3-aminoisoindolone derivative
    Patent number: 6458168
    Abstract: The present invention relates to the use, for dyeing keratin fibers, of at least one aliphatic cationic amine and of at least one compound chosen from an aldehyde, a ketone, a quinone and a diiminoisoindoline or 3-aminoisoindolone derivative, in order to obtain, by reaction without an oxidizing agent, a coloration of the said keratin fibers. The invention also relates to dye compositions comprising these compounds and to dyeing agents for using them.
    Type: Grant
    Filed: October 25, 2000
    Date of Patent: October 1, 2002
    Assignee: L'Oreal S.A.
    Inventors: Alain Lagrange, Hervé Andrean
  • Dyeing method using a heterocyclic cationic amine and a compound chosen from an aldehyde, a ketone, a quinone, a di-iminoisoindoline derivative and a 3-amino-isoindolone derivative
    Patent number: 6451067
    Abstract: The present invention relates to the use, for dyeing keratin fibres, of at least one heterocyclic cationic amine and of at least one compound chosen from an aldehyde, a ketone, a quinone and a diiminoisoindoline or 3-aminoisoindolone derivative, in order to obtain, by reaction without an oxidizing agent, a coloration of the said keratin fibres. The invention also relates to dye compositions comprising these compounds and to dyeing agents for using them.
    Type: Grant
    Filed: October 27, 2000
    Date of Patent: September 17, 2002
    Assignee: L'Oreal S.A.
    Inventors: Alain Lagrange, Hervé Andrean
  • Dyeing articles composed of melamine fiber and cellulose fiber
    Patent number: 5830574
    Abstract: Melamine fibers and cellulose fiber combinations are dyed with certain dyes such that the cellulose fiber is dyed by the dyes but the melamine fiber is substantially undyed. When in fabric form, a chambray appearance is given.
    Type: Grant
    Filed: April 24, 1997
    Date of Patent: November 3, 1998
    Assignee: BASF Corporation
    Inventor: Dean R. Gadoury
  • Dyeing of melamine-formaldehyde condensation products
    Patent number: 5624466
    Abstract: Condensation products obtainable by condensation of a mixture comprising unsubstituted melamine, substituted melamine and hydroxyphenyl compounds with formaldehyde or formaldehyde donor compounds are dyed in the form of fibers, yarns, threads, wovens, knits or nonwovens in an aqueous liquor with one or more dyes of the class of the azo, anthraquinone, coumarin, methine, azamethine, quinophthalone or nitro dyes.
    Type: Grant
    Filed: September 7, 1995
    Date of Patent: April 29, 1997
    Assignee: BASF Aktiengesellschaft
    Inventors: Wolfgang Schindler, Uwe Nahr