Inventor
LOEW PETER
CH32 patents
⚠️ This page may combine multiple inventors who share the name “LOEW PETER”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CIBA GEIGY CORP
25 patentsUS4382801AMay 10, 1983
Process for spin dyeing polymers or copolymers of acrylonitrile with quaternized heterocyclic diazo dye and tetrafluoro-borate anion
CIBA GEIGY CORP23 citations82
US4693727ASep 15, 1987
Process for dyeing synthetic polyamide materials with fibre-reactive anthraquinone dyes
CIBA GEIGY CORP23 citations79
US4367334AJan 4, 1983
Borontetrafluoride salts of basic oxazine dyes
CIBA GEIGY CORP11 citations74
US4288589ASep 8, 1981
Cationic dyes
CIBA GEIGY CORP9 citations74
US4251656AFeb 17, 1981
Cationic dyes
CIBA GEIGY CORP7 citations74
US4146712AMar 27, 1979
Process for the manufacture of coumarin dyes
CIBA GEIGY CORP9 citations74
US4123222AOct 31, 1978
Process for the dyeing or printing of polyacrylonitrile material
CIBA GEIGY CORP7 citations74
US4990599AFeb 5, 1991
2,7-diphenylazo-1-amino-8-hydroxynaphthalene disazo dyes containing two fiber-reactive groups
CIBA GEIGY CORP6 citations73
US4917705AApr 17, 1990
Process for dyeing or printing of fibre material from natural or synthetic polyamides with reactive disazo dyes
CIBA GEIGY CORP11 citations73
US4439204AMar 27, 1984
Dye salts
CIBA GEIGY CORP9 citations73
US4652269AMar 24, 1987
Process for the continuous trichromatic dyeing of synthetic polyamide materials: including a blue anthraquinone reactive dye
CIBA GEIGY CORP20 citations71
US4002619AJan 11, 1977
Coumarine dyestuffs of the dispersion series
CIBA GEIGY CORP7 citations71
US4904767AFeb 27, 1990
Asymmetric 1:2-chrome complexes of benzene-azo-naphthalene/naphthalene-azo-naphthalene acid dyes for leather
CIBA GEIGY CORP4 citations63
US4421519ADec 20, 1983
Mixtures of cationic dyes: naphtho-lactam and oxazine dyes for polyacrylonitriles
CIBA GEIGY CORP6 citations63
US4113718ASep 12, 1978
Basic azo dyes
CIBA GEIGY CORP2 citations63
US4462805AJul 31, 1984
Mixture of cationic compounds for dyeing and printing textiles, leather and paper
CIBA GEIGY CORP2 citations62
US4380627AApr 19, 1983
Cationic compounds
CIBA GEIGY CORP2 citations62
US4245990AJan 20, 1981
Process for producing solutions of salts of water-soluble carboxylic acids of cationic dyes or optical brighteners
CIBA GEIGY CORP3 citations62
US4292037ASep 29, 1981
Process for dyeing cellulose-containing fibre materials
CIBA GEIGY CORP5 citations61
US3970675AJul 20, 1976
Disperse dyestuffs
CIBA GEIGY CORP2 citations60
US4372886AFeb 8, 1983
Process for the production of carbinol bases from indoline compounds
CIBA GEIGY CORP1 citations52
US4364738ADec 21, 1982
Crystalline bromide or iodide salts of triazole dyes for polyacrylonitrile
CIBA GEIGY CORP1 citations52
US4067889AJan 10, 1978
Disperse dyestuffs
CIBA GEIGY CORP0 citations50
US5003051AMar 26, 1991
Process for the preparation of metallizable monoazo dyes in the presence of ketones
CIBA GEIGY CORP0 citations41
US4210757AJul 1, 1980
Novel naphthoylene-perinones disperse dyestuffs
CIBA GEIGY CORP0 citations39
CIBA GEIGY AG
5 patentsUS4626497ADec 2, 1986
Process for the production of colored photographic polymer images
CIBA GEIGY AG29 citations92
US4064136ADec 20, 1977
Process for the manufacture of benzoxazole, benzthiazole and benzimidazole derivatives
CIBA GEIGY AG20 citations82
US4393007AJul 12, 1983
Process for the manufacture of anthraquinone compounds
CIBA GEIGY AG26 citations78
US4040779AAug 9, 1977
Dry heat process to dyeing and printing organic material which can be dyed with cationic dyes
CIBA GEIGY AG7 citations74
US4655970AApr 7, 1987
Process for the manufacture of anthraquinone compounds
CIBA GEIGY AG9 citations70