Inventor · Tecklenburg, DE

Petra Gratzl

10Patents
5h-index
13Co-inventors
63Inventor score

Filing activity: Oct 25, 1995 → Aug 10, 2018

Most-cited inventions

PatentTitleAreaCited byStatus
US5593787A Organosilicon compounds containing (meth) acryloxy groups, their preparation and their use Emerging Cross-Sectional Technologies 25 Expired
US5627296A Phosphorus-containing organosilicon compounds Chemistry; Metallurgy 9 Expired
US6177511A Amino silicone oil emulsions crosslinked by reactions similar to a Michael addition Chemistry; Metallurgy 9 Expired
US5869726A Process for preparing organosilicon compounds containing (meth)acryloxy groups Chemistry; Metallurgy 6 Expired
US6451909B1 Multiphase formulations of organosilicon compounds Chemistry; Metallurgy 6 Expired
US6040383A Organosilicon compounds containing oligoisobutylene or polyisobutylene groups Chemistry; Metallurgy 2 Expired
US10800886B2 Process for preparing oxamide-functional siloxanes Chemistry; Metallurgy 2 Active
US6043362A Hydrophilic permanent organosilicon compounds Chemistry; Metallurgy 1 Expired
US5998562A Permanent organosilicon compounds, their preparation and use Emerging Cross-Sectional Technologies 1 Expired
US11613672B2 Aqueous emulsions of oxamidoester-functionalized organopolysiloxanes Textiles; Paper 0 Active

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