Inventor · Oberhausen, DE

Peter Lersch

21Patents
10h-index
41Co-inventors
75Inventor score

Filing activity: Dec 9, 1992 → Jul 1, 2014

Most-cited inventions

PatentTitleAreaCited byStatus
US5891977A Organopolysiloxanes comprising polyhydroxyorganyl radicals and polyoxyalkylene radicals Chemistry; Metallurgy 39 Expired
US5606077A Method for the synthesis of organopolysiloxanes containing carbonate groups Chemistry; Metallurgy 22 Expired
US6242554A Polysiloxanes having polyether quat functions Emerging Cross-Sectional Technologies 22 Expired
US8642659B2 Hair treatment product and hair after-treatment product containing ether guanidines as active substances, for protecting from damage caused by chemical treatment and for repairing already damaged hair Chemistry; Metallurgy 21 Active
US5552506A Organopolysiloxanes, modified with acrylate groups in the presence of a rhodium catalyst Chemistry; Metallurgy 19 Expired
US6358501B1 Polypeptide-polysiloxane copolymers Human Necessities 19 Expired
US6669949B2 Siloxane-containing oil compositions with good spreading properties Chemistry; Metallurgy 18 Expired
US5494979A Abhesive coating composition with an additive, which affects the degree of abhesiveness Chemistry; Metallurgy 16 Expired
US6268404A Radiation-curable organosiloxane coating compositions Emerging Cross-Sectional Technologies 14 Expired
US5613988A Use of organofunctionally modified polysiloxanes for defoaming diesel Mechanical Engineering; Lighting; Heating 14 Expired
US5863966A Radiation-curing printing inks with enhanced scratch resistance and lubricity Emerging Cross-Sectional Technologies 10 Expired
US6846852B2 Siloxane-containing compositions curable by radiation to silicone elastomers Emerging Cross-Sectional Technologies 9 Expired
US7226584B2 Preparations with deodorizing action comprising the zinc salt of ricinoleic acid and at least one amino functional amine acid Human Necessities 9 Expired
US5637746A Process for preparing carboxyl-functional silanes and siloxanes Chemistry; Metallurgy 6 Expired
US5281687A Polysiloxanes with at least one sulfatohexyl group linked by an Si-C bond Chemistry; Metallurgy 3 Expired
US6706502B2 Enzymatic preparation of hydroxy fatty acid esters of polyhydric alcohols which are solid at room temperature Human Necessities 3 Expired
US8664175B2 Polyglycerol esters and their use Chemistry; Metallurgy 3 Active
US7858580B2 Dermatological compositions including oligopeptides for increasing skin sensitivity and neuronal perception Human Necessities 3 Active
US8703159B2 Cosmetic composition containing polyglycerol partial ester Human Necessities 2 Active
US9662515B2 Method for producing 4-aminobutyric acid from algae Human Necessities 0 Active
US9913789B2 Formulations containing sphinganine Human Necessities 0 Active

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