HE

Hans-Wilhelm Engels

BH Bayer Healthcare: 8 patents #1,173 of 8,007Top 15%
TR The Firestone Tire & Rubber: 3 patents #57 of 233Top 25%
📍 Kerpen, DE: #9 of 128 inventorsTop 8%
Overall (All Time): #471,709 of 4,157,543Top 15%
11
Patents All Time

Issued Patents All Time

Showing 1–11 of 11 patents

Patent #TitleCo-InventorsDate
6534675 Process for the preparation of zinc dithiocarbamates Rudiger Schubart 2003-03-18
6140427 Vulcanization accelerators suitable for the introduction of polar substituents Thomas Scholl, Hermann-Josef Weidenhaupt, Stefan Kelbch 2000-10-31
5416167 Vulcanizable rubber compositions containing salts of partial carboxylic acid esters Joachim Thormer, Thomas Scholl 1995-05-16
5175349 Stabilization of organic polyisocyanates Pramod Gupta, Christian König, Hans-Jurgen Rabe, Wilfried Nolte, Chiraranjan Podder 1992-12-29
5130363 Rubber vulcanizates having improved hysteresis behavior Thomas Scholl, Ulrich Eisele, Ulrich Eholzer 1992-07-14
5124408 Rubber mixtures containing sulfur-modified polychloroprene gel Ulrich Eisele, Werner Obrecht, Peter Wendling, Bernd Stollfuss 1992-06-23
5028729 Process for the production of bis-(dialkoxythio-phosphoryl)-trisulfides Rudiger Schubart 1991-07-02
5006599 Use of 3,5-di-tert-butyl-4-hydroxyphenylpropionic acid for stabilizing polyether polyols Pramod Gupta, Hansjurgen Rabe 1991-04-09
4822845 Rubber compositions modified with heterocyclic di-N-oxides Daniel F. Graves 1989-04-18
4762870 Rubber compositions modified with hydroxy-benz-imidazole oxides Daniel F. Graves 1988-08-09
4761446 Rubber compositions modified with benzimidazo-linones Daniel F. Graves 1988-08-02