Inventor · Ober-Ramstadt, DE

Wolfgang Wehner

63Patents
11h-index
44Co-inventors
78Inventor score

Filing activity: Feb 20, 1976 → Jun 22, 2017

Most-cited inventions

PatentTitleAreaCited byStatus
US5969015A Monomeric and oligomeric bisphosphites as stabilisers for polyvinyl chloride Chemistry; Metallurgy 31 Expired
US5350785A Stabilized chlorine-containing polymer compositions Chemistry; Metallurgy 26 Expired
US5519077A Stabilized polyvinyl chloride Chemistry; Metallurgy 22 Expired
US6194494A Stabiliser combinations for chlorine-containing polymers Chemistry; Metallurgy 16 Expired
US5925696A Stabilizer combinations for chlorine-containing polymers Chemistry; Metallurgy 15 Expired
US4656209A Chlorinated thermoplastics stabilized with aminouracils Chemistry; Metallurgy 15 Expired
US5030671A Mercaptobenzoates as stabilizers for chlorine-containing polymers Chemistry; Metallurgy 14 Expired
US4396552A Novel metal mercaptides of esters of .beta.-mercaptoalkanols Chemistry; Metallurgy 13 Expired
US5534566A Stabilized halogen-containing polymers Chemistry; Metallurgy 13 Expired
US5543449A Stabilized flexible PVC Chemistry; Metallurgy 12 Expired
US6136900A Stabilized polyvinyl chloride Chemistry; Metallurgy 12 Expired
US5177135A .beta.-keto esters as stabilizers for chlorinated polymers Chemistry; Metallurgy 10 Expired
US6084013A Stabilizer system for chlorine-containing polymers Chemistry; Metallurgy 10 Expired
US5814691A Stabilized polyvinyl chloride Chemistry; Metallurgy 10 Expired
US6013703A Stabilizer combination for chlorine-containing polymers Chemistry; Metallurgy 10 Expired
US5859100A Rigid PVC stabilised with N,N-dimethyl-6-aminouracils Chemistry; Metallurgy 10 Expired
US5492949A Stabilized polyvinyl chloride Chemistry; Metallurgy 9 Expired
US6174941A NH2-modified 6-aminouracils as stabilizers for halogenated polymers Chemistry; Metallurgy 8 Expired
US4339383A Imide containing stabilizers for chlorinated thermoplastics Chemistry; Metallurgy 8 Expired
US6531533B1 Stabilized halogen-containing polymers Chemistry; Metallurgy 8 Expired
US4642322A Stabilization of chlorine-containing thermoplastics with nitrogen-containing organic compounds Chemistry; Metallurgy 6 Expired
US7358286B2 Stabilizer system for stabilizing PVC Chemistry; Metallurgy 6 Expired
US4639482A Phosphoric acid compounds as co-stabilizers for Me(II)-carboxylates and/or Me(II)-phenolates in PVC Chemistry; Metallurgy 6 Expired
US4052426A Process for the manufacture of dimethyl-tin dichloride Chemistry; Metallurgy 6 Expired
US4554367A Phosphonium organohalogenostannates-IV Chemistry; Metallurgy 5 Expired

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