Inventor

Michael Ludewig

27Patents
5h-index
48Co-inventors
65Inventor score

Filing activity: Jun 26, 2002 → Dec 12, 2018

Most-cited inventions

PatentTitleAreaCited byStatus
US6762270B2 Polyurethane prepolymers with reduced functionality having terminal alkoxysilane and OH groups, a method of preparing them and their use Chemistry; Metallurgy 8 Expired
US10449714B2 Process for producing an object from a precursor and use of a free-radically crosslinkable resin in an additive manufacturing process Chemistry; Metallurgy 7 Active
US7635743B2 Moisture-curing composition and hot-melt adhesive Chemistry; Metallurgy 6 Expired
US7812087B2 Polyurethane prepolymers containing alkoxysilane groups and allophanate and/or biuret groups Chemistry; Metallurgy 6 Active
US8067522B2 Low viscosity, alkoxysilane-functional prepolymers and a process for their preparation Chemistry; Metallurgy 5 Active
US7700662B2 Process for preparing allophanate-containing actinically curable polyurethane prepolymers with increased resistance Chemistry; Metallurgy 5 Active
US9168324B2 Production of polyurethane foams for wound management Chemistry; Metallurgy 4 Active
US8853295B2 Process for the preparation of particularly reactive and low-viscosity allophanates having actinic-curable groups and the use thereof for the preparation of particularly scratch-resistant coatings Chemistry; Metallurgy 4 Active
US8071659B2 Process for preparing low-viscosity allophanates containing actinically curable groups Emerging Cross-Sectional Technologies 2 Active
US8106140B2 Process for preparing low-viscosity allophanates containing actinically curable groups Chemistry; Metallurgy 2 Active
US9631117B2 Process for the preparation of low-viscosity, water-dilutable urethane (meth)acrylates Emerging Cross-Sectional Technologies 2 Active
US8431674B2 Polyester prepolymers Chemistry; Metallurgy 2 Active
US9255067B2 Process for preparing low-viscosity allophanates containing actinically curable groups Chemistry; Metallurgy 1 Active
US8846775B2 Processes for producing polyurethane foams containing alkoxysilane functional polymers and uses therefor Chemistry; Metallurgy 1 Active
US10882942B2 Aqueous polycarbodiimide dispersion with improved storage stability, and method for producing same Chemistry; Metallurgy 0 Active
US8932722B2 Process for the preparation of low-viscosity, water-dilutable urethane (meth)acrylates Emerging Cross-Sectional Technologies 0 Active
US9057003B2 Process for the preparation of low-viscosity, water-emulsifiable allophanates with radiation-curable groups Emerging Cross-Sectional Technologies 0 Active
US6642342B2 Thermosetting two-component coating compositions Emerging Cross-Sectional Technologies 0 Expired
US11613072B2 Dual-curing isocyanurate polymers Chemistry; Metallurgy 0 Active
US10640604B2 Oxidatively drying polyurethane dispersions with particularly high chemical resistance Chemistry; Metallurgy 0 Active
US11643479B2 Method for producing an article by layer-by-layer buildup with separately patterned resin and initiator wherein the resin has a storage modulus greater than loss modulus at 20 C Emerging Cross-Sectional Technologies 0 Active
US8283488B2 Process for preparing radiation-curable prepolymers containing urethane groups Chemistry; Metallurgy 0 Active
US9988485B2 Process for preparing low-viscosity allophanates containing actinically curable groups Chemistry; Metallurgy 0 Active
US11007711B2 Process for manufacturing an object, and use of a radically cross-linkable resin in an additive manufacturing process Chemistry; Metallurgy 0 Active
US11059934B2 Process for producing (cyclo)aliphatic polycarbonate polyols having low reactivity Chemistry; Metallurgy 0 Active

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