Inventor · Kelkheim, DE

Hubert Kruse

19Patents
6h-index
24Co-inventors
66Inventor score

Filing activity: May 7, 1976 → Sep 5, 1997

Most-cited inventions

PatentTitleAreaCited byStatus
US5240466A Dyeing leather with water-insoluble sulphur dyes Textiles; Paper 12 Expired
US4074965A Stable monoazo dyestuff Chemistry; Metallurgy 11 Expired
US4286960A Dyestuff compositions containing acylated alkoxylates of polyhydric aliphatic alcohols Textiles; Paper 9 Expired
US4678476A Mixtures of blue mono-azo disperse dyestuffs and their use for dyeing polyester Emerging Cross-Sectional Technologies 9 Expired
US5415669A Dye mixtures for the dyeing of textile hydrophobic fibre materials Emerging Cross-Sectional Technologies 6 Expired
US4113429A Preparation of a disperse dyestuff containing a phosphoric acid ester, having improved safety properties and higher dyestuff yield when dyed on synthetic materials Chemistry; Metallurgy 6 Expired
US4389213A Use of esterified oxalkylates as formulation agents for dyestuffs and corresponding dyestuff preparations Textiles; Paper 6 Expired
US5071443A Blue azo dyestuff mixture for strong blue color on hydrophobic fibers Emerging Cross-Sectional Technologies 5 Expired
US4333732A Dyestuff preparations containing oxalkylates of modified natural rosin acids Emerging Cross-Sectional Technologies 4 Expired
US4336025A Composition containing colorants and esterified oxalkylates of aromatic hydroxy compounds Chemistry; Metallurgy 3 Expired
US4921505A Process for the preparation of new crystal modification of an azo dyestuff Emerging Cross-Sectional Technologies 2 Expired
US4851012A Mixtures of blue disperse monoazo dyestuffs Emerging Cross-Sectional Technologies 2 Expired
US5902356A Textile dye preparations Emerging Cross-Sectional Technologies 2 Expired
US5512063A Use of novolak derivatives in the dyeing of polyester-cellulose blend fabrics and processes for the continuous dyeing of such blend fabrics Textiles; Paper 1 Expired
US5174791A Process for dyeing and printing blend fabrics of polyester and natural fibre materials with disperse dye and polyether-polyester to inhibit soilins with disperse dye Textiles; Paper 1 Expired
US5824117A Nitrobenzisothiazole azo dyestuff Emerging Cross-Sectional Technologies 0 Expired
US5037962A .beta.-modification of 1-(2,4-dinitro-6-chloro-phenylazo)-2-propionylamino-4-N-ethylamino-5-(2- methoxy-ethoxy)benzene, its preparation and its use Chemistry; Metallurgy 0 Expired
USRE33908E Mixtures of blue mono-azo disperse dyestuffs and their use for dyeing polyester General 0 Expired
US5917121A Monoazo dyes which are stable under dyeing conditions, their preparation and their use Chemistry; Metallurgy 0 Expired

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.