Inventor · Cologne, DE

Klaus Noll

51Patents
19h-index
59Co-inventors
83Inventor score

Filing activity: Mar 18, 1974 → Nov 4, 1992

Most-cited inventions

PatentTitleAreaCited byStatus
US5252696A Water-dispersible polyisocyanate mixtures, a process for their preparation and their use in two-component aqueous compositions Chemistry; Metallurgy 96 Expired
US4092286A Production of water-dispersible polyurethanes having ionic groups and hydrophilic side chains Emerging Cross-Sectional Technologies 93 Expired
US4237264A Process for the preparation of polyurethanes which are dispersible in water Chemistry; Metallurgy 78 Expired
US4190566A Water-dispersible polyurethanes Chemistry; Metallurgy 68 Expired
US4238378A Cationic electrolyte-stable dispersions and process for producing polyurethanes useful therein Chemistry; Metallurgy 51 Expired
US4831027A Imidazo-benzoxazinones, the preparation thereof and pharmaceutical compositions containing these compounds Human Necessities 49 Expired
US5175157A Cyclic amine derivatives, pharmaceutical compositions containing these compounds and methods for preparing them Chemistry; Metallurgy 48 Expired
US4737495A (2H)-3-benzazepin-2-ones, their pharmaceutical compositions and their pharmaceutical uses Chemistry; Metallurgy 44 Expired
US3989869A Process for making a polyurethane foam sheet and composites including the sheet Emerging Cross-Sectional Technologies 43 Expired
US4764553A Water soluble or dispersible polyurethanes, a process for their preparation and their use for coating substrates Chemistry; Metallurgy 38 Expired
US4192937A Process for the preparation of isocyanate polyaddition products which have hydroxyl groups in side chains Emerging Cross-Sectional Technologies 38 Expired
US4303774A Polyurethanes which are dispersible or soluble in water and a process for their preparation Emerging Cross-Sectional Technologies 34 Expired
US4485226A Process for the production of compounds containing isocyanurate groups and olefinic double bonds, the compounds obtainable by this process and their use as binders or binder component in coating compositions Chemistry; Metallurgy 28 Expired
US4745151A Process for the production of aqueous dispersions of polyurethane polyureas, the dispersions obtainable by this process and their use as coating compositions Chemistry; Metallurgy 27 Expired
US4452834A Process for the preparation of aqueous dispersions or solutions of polyurethane polyureas containing heat activated cross-linking agents, the dispersions or solutions obtainable by this process, and their use for the production of coatings Chemistry; Metallurgy 27 Expired
US4119710A Bronchospasmolytic 1-(p-amino-phenyl)-2-amino-ethanols-(1) and salts Chemistry; Metallurgy 26 Expired
US4093734A Amino-benzoic acid amides Chemistry; Metallurgy 25 Expired
US3935146A Polyurethaneamides dispersible in water and dispersions containing them Emerging Cross-Sectional Technologies 22 Expired
US5141987A Aqueous coating compositions containing water dispersible polyurethane polyureas as binders and the coatings produced therefrom Chemistry; Metallurgy 19 Expired
US4490369A Benzazepine derivatives, their pharmaceutical compositions and method of use Chemistry; Metallurgy 19 Expired
US4829122A Process for the preparation of aqueous polyurethane dispersions and solutions Emerging Cross-Sectional Technologies 17 Expired
US4652466A Coating agents of polyurethane dispersions and the use thereof for top coats and finishes Emerging Cross-Sectional Technologies 17 Expired
US4871735A Naphthyl derivatives, pharmaceutical compositions containing these compounds and processes for preparing them Chemistry; Metallurgy 17 Expired
US3950393A Aminobenzyl-amides and salts thereof Chemistry; Metallurgy 15 Expired
US4912115A Heteroaromatic amine derivatives, pharmaceutical compositions containing these compounds and processes for preparing them Chemistry; Metallurgy 14 Expired

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