Inventor

PUENTENER ALOIS

CH35 patents

⚠️ This page may combine multiple inventors who share the name “PUENTENER ALOIS”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

PUENTENER ALOIS

CIBA GEIGY CORP

Process for dyeing leather with an aqueous bath containing sulfonated carbon black and black anionic dye

Process for dyeing synthetic polyamide materials with fibre-reactive anthraquinone dyes

Fibre-reactive formazan dyes containing β-halogenethyl or vinylsulfonyl-alkanoylamino fiber-reactive groups

1:2 chromium or cobalt complex axo dyes containing at least one 2-aryl-4-amino-6-hydroxypyrimidine radical

Aqueous solutions of synthetic tanning agents

Process for dyeing leather with dye mixtures

Preparation of 1:2 metal complex dyes by coupling in the presence of a metal donor in an inert gas atmosphere

Process for the continuous trichromatic dyeing of synthetic polyamide materials: including a blue anthraquinone reactive dye

Process for the preparation of 1:2 metal complex azo compounds by carrying out diazotization and coupling in the presence of a metal donor

1:2 Cobalt complexes of disazo dyes

Asymmetric 1:2-chrome complexes of benzene-azo-naphthalene/naphthalene-azo-naphthalene acid dyes for leather

Tris-azo black or grey dyes for leather or pelts

Process for improving the light-fastness of leather dyeings

Metal complexes of azo dyes containing a 2-(P-N-aceloacetylaminophenyl) benzothiozole moiety

1:2 Metal complexes of azomethine dyes having arylazo groups

Use of 1:2 chromium or cobalt complex dyes for dyeing leather or furs

Use of 1:2 chromium of cobalt complex dyes for dyeing leather or furs

Chromium and cobalt complex amino hydroxy azomethine dyes

Use of sulfonated polyazo dyes for dyeing leather in brilliant fast red shades

Process for pickling raw hides

Process for pickling and pretanning raw hides

Process for the dyeing of leather with dye mixtures

Process for dyeing leather with dye mixtures

Preparation of 1:2 chromium complexes one sulfo substituted and one sulfonamido or the like substituted azo dyes

Iron complexes of azo dyes obtained from naphthylsulfonic acid, resorcinol and nitroaminophenol

Use of 1:2 cobalt complex dyes for dyeing leather or furs

Use of 1:2 chrome complex dyes for dyeing leather and furs

Chrome-complex dyes and the production and use thereof for dyeing wool, polyamide

Use of 1:2 cobalt complex dyes for dyeing leather or furs

Chrome-complex dyes

Process for the preparation of metallizable monoazo dyes in the presence of ketones

Asymmetric 1:2-chromium complex dyes containing two azo dyes, one containing an acetoacetanilide coupling component

CIBA SC HOLDING AG

Stabilizing leather against thermal and photochemical decomposition

PUENTENER ALOIS

Process for dyeing leather with mixtures of dyes

TFL LEDERTECHNIK GMBH & CO KG

Aqueous formulation for pretanning raw hides