Inventor · Herne, DE

Manfred Kreczinski

21Patents
3h-index
22Co-inventors
59Inventor score

Filing activity: Jun 27, 2002 → Mar 18, 2019

Most-cited inventions

PatentTitleAreaCited byStatus
US6703471B2 Preparation of low-odor-storage-stable monomer-containing polyisocyanurates based on isophorone diisocyante Chemistry; Metallurgy 6 Expired
US8816125B2 Process for the continuous preparation of (cyclo)aliphatic diisocyanates Chemistry; Metallurgy 4 Active
US10626131B2 Process for preparing isocyanates containing alkoxysilane groups Performing Operations; Transporting 4 Active
US10633401B2 Process for preparing isocyanates containing alkoxysilane groups Chemistry; Metallurgy 3 Active
US10669293B2 Process for preparing isocyanates containing alkoxysilane groups Chemistry; Metallurgy 3 Active
US8536370B2 Low chlorine, multi-staged method for producing cycloaliphatic disocyanates Chemistry; Metallurgy 3 Active
US10611782B2 Process for preparing isocyanates containing alkoxysilane groups Performing Operations; Transporting 3 Active
US7329776B2 Multistage continuous preparation of cycloaliphatic diisocyanates Chemistry; Metallurgy 2 Expired
US7557242B2 Multistage continuous preparation of cycloaliphatic disocyanates Chemistry; Metallurgy 2 Active
US7307186B2 Multistage continuous preparation of cycloaliphatic diisocyanates Chemistry; Metallurgy 2 Expired
US7339074B2 Multistage continuous preparation of cycloaliphatic diisocyanates Chemistry; Metallurgy 2 Expired
US9593135B2 Compositions comprising alkoxysilane-containing isocyanates and acid stabilisers Chemistry; Metallurgy 2 Active
US10351579B2 Monoallophanates based on alkoxysilane alkyl isocyanates Chemistry; Metallurgy 1 Active
US10144662B2 Method for processing contaminated wastewater from the preparation of isophorone, isophoronenitrile and isophoronediamine Chemistry; Metallurgy 1 Active
US7420080B2 Multistage continuous preparation of cycloaliphatic diisocyanates Chemistry; Metallurgy 1 Active
US7371891B2 Multistage continuous preparation of cycloaliphatic diisocyanates Chemistry; Metallurgy 1 Expired
US10882768B2 Method for processing contaminated wastewater from the preparation of isophorone, isophoronenitrile and isophoronediamine Chemistry; Metallurgy 0 Active
US10538684B2 Coating compositions comprising monoallophanates based on alkoxysilane alkyl isocyanates Chemistry; Metallurgy 0 Active
US9994472B2 Treatment of the wastewater from isophorone production comprising neutralization, filtration and a downstream chemical oxidation process and subsequent reduction Chemistry; Metallurgy 0 Active
US8822726B2 Method for producing diaminodiphenyl alkanes Chemistry; Metallurgy 0 Active
US8389770B2 Method for producing diaminodiphenyl alkanes Chemistry; Metallurgy 0 Active

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