Inventor · Neustadt, DE

Alexander Aumuller

24Patents
7h-index
33Co-inventors
61Inventor score

Filing activity: Nov 21, 1995 → Sep 27, 2002

Most-cited inventions

PatentTitleAreaCited byStatus
US5821380A 2-cyanoacrylic esters Chemistry; Metallurgy 59 Expired
US5945091A Photo-stable cosmetic and pharmaceutical formulations containing UV-filters Human Necessities 48 Expired
US6037487A Photo-stable cosmetic and pharmaceutical formulations containing UV-filters Human Necessities 13 Expired
US6143205A Mixtures containing monomers and stabilizers Chemistry; Metallurgy 12 Expired
US5922244A 4-acylaminopiperidin-N-oxyle Chemistry; Metallurgy 10 Expired
US6407247B1 Photo-stable cosmetic and pharmaceutical formulations containing UV-filters Chemistry; Metallurgy 9 Expired
US5872252A Compression of ethylenically unsaturated monomers Chemistry; Metallurgy 9 Expired
US5914379A Compression of ethylenically unsaturated monomers Chemistry; Metallurgy 7 Expired
US5821292A 3-arylacrylic acid ester light-protection stabilizers for organic material Chemistry; Metallurgy 5 Expired
US5807504A Stabilizer mixture composed of chroman derivatives, organic phosphites or phosphonites and amines Chemistry; Metallurgy 5 Expired
US5914360A Preparation of N, N'-bridged bistetramethylpiperidinyl compounds Chemistry; Metallurgy 3 Expired
US6492442B1 Stabilizer composition Chemistry; Metallurgy 3 Expired
US6147145A Stabilized monomer composition Chemistry; Metallurgy 3 Expired
US5917080A Preparation of 2-cyano-3,3-diarylacrylic esters Chemistry; Metallurgy 3 Expired
US6069258A Cosmetic preparations comprising photostable UV-A filters Human Necessities 3 Expired
US5679855A Preparation of benzophenone imines Chemistry; Metallurgy 2 Expired
US5714611A Preparation of N,N'-bridged bistetramethylpiperidinyl compounds Chemistry; Metallurgy 2 Expired
US6379588B1 Stabilized monomer composition Chemistry; Metallurgy 2 Expired
US6268441A Method for polymerizing vinyl monomers Chemistry; Metallurgy 2 Expired
US5726285A Condensation and addition polymers having N,N'-bridged bistetramethylpiperidyloxy groups Chemistry; Metallurgy 2 Expired
US6737527B2 4-formylamino-N-methylpiperidine derivatives, the use thereof as stabilizers and organic material stabilized therewith Chemistry; Metallurgy 1 Expired
US5728888A Preparation of hydroxylated benzophenones Chemistry; Metallurgy 1 Expired
US5973040A Tetramethylpiperidine-containing copolymers Human Necessities 1 Expired
US6007828A Cosmetic preparations containing photostable UV-A filters Human Necessities 0 Expired

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