Peter Loew
32Patents
7h-index
25Co-inventors
65Inventor score
Filing activity: Jun 17, 1974 → Dec 20, 1989
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4393007A | Process for the manufacture of anthraquinone compounds | Chemistry; Metallurgy | 22 | Expired |
| US4626497A | Process for the production of colored photographic polymer images | Physics | 21 | Expired |
| US4652269A | Process for the continuous trichromatic dyeing of synthetic polyamide materials: including a blue anthraquinone reactive dye | Emerging Cross-Sectional Technologies | 17 | Expired |
| US4382801A | Process for spin dyeing polymers or copolymers of acrylonitrile with quaternized heterocyclic diazo dye and tetrafluoro-borate anion | Emerging Cross-Sectional Technologies | 14 | Expired |
| US4073489A | Document transport device | Physics | 11 | Expired |
| US4064136A | Process for the manufacture of benzoxazole, benzthiazole and benzimidazole derivatives | Chemistry; Metallurgy | 11 | Expired |
| US4693727A | Process for dyeing synthetic polyamide materials with fibre-reactive anthraquinone dyes | Emerging Cross-Sectional Technologies | 9 | Expired |
| US4917705A | Process for dyeing or printing of fibre material from natural or synthetic polyamides with reactive disazo dyes | Emerging Cross-Sectional Technologies | 7 | Expired |
| US4123222A | Process for the dyeing or printing of polyacrylonitrile material | Textiles; Paper | 7 | Expired |
| US4002619A | Coumarine dyestuffs of the dispersion series | Chemistry; Metallurgy | 7 | Expired |
| US4655970A | Process for the manufacture of anthraquinone compounds | Chemistry; Metallurgy | 7 | Expired |
| US4040779A | Dry heat process to dyeing and printing organic material which can be dyed with cationic dyes | Textiles; Paper | 7 | Expired |
| US4288589A | Cationic dyes | Chemistry; Metallurgy | 7 | Expired |
| US4367334A | Borontetrafluoride salts of basic oxazine dyes | Chemistry; Metallurgy | 6 | Expired |
| US4251656A | Cationic dyes | Chemistry; Metallurgy | 6 | Expired |
| US4175448A | Electromechanical switching system | Emerging Cross-Sectional Technologies | 5 | Expired |
| US4292037A | Process for dyeing cellulose-containing fibre materials | Textiles; Paper | 4 | Expired |
| US4990599A | 2,7-diphenylazo-1-amino-8-hydroxynaphthalene disazo dyes containing two fiber-reactive groups | Emerging Cross-Sectional Technologies | 4 | Expired |
| US4245990A | Process for producing solutions of salts of water-soluble carboxylic acids of cationic dyes or optical brighteners | Textiles; Paper | 3 | Expired |
| US4146712A | Process for the manufacture of coumarin dyes | Chemistry; Metallurgy | 3 | Expired |
| US4380627A | Cationic compounds | Textiles; Paper | 2 | Expired |
| US4113718A | Basic azo dyes | Chemistry; Metallurgy | 2 | Expired |
| US4462805A | Mixture of cationic compounds for dyeing and printing textiles, leather and paper | Emerging Cross-Sectional Technologies | 2 | Expired |
| US4439204A | Dye salts | Emerging Cross-Sectional Technologies | 2 | Expired |
| US4904767A | Asymmetric 1:2-chrome complexes of benzene-azo-naphthalene/naphthalene-azo-naphthalene acid dyes for leather | Chemistry; Metallurgy | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.