Inventor · Speyer, DE

Norbert Leppert

3Patents
2h-index
10Co-inventors
41Inventor score

Filing activity: Mar 4, 1983 → Mar 13, 1996

Most-cited inventions

PatentTitleAreaCited byStatus
US4622037A Bleaching cotton-containing fabrics with hypochlorite at elevated temperatures Textiles; Paper 7 Expired
US5695686A Brightener mixtures based on bisstyryl compounds Textiles; Paper 2 Expired
US4450083A Agent for dissolving insoluble iron(III) compounds in highly alkaline textile treatment liquors Textiles; Paper 0 Expired

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