Inventor · Leverkusen, DE

Werner Berthold

7Patents
1h-index
12Co-inventors
44Inventor score

Filing activity: Nov 4, 1975 → Sep 21, 1990

Most-cited inventions

PatentTitleAreaCited byStatus
US4760015A Stabilization of a photographically produced silver image using an amino-1,2,4-triazole Emerging Cross-Sectional Technologies 6 Expired
US3981731A Stabilization of developed photographic images Physics 1 Expired
US4987059A Process for stabilizing photographic silver images Emerging Cross-Sectional Technologies 1 Expired
US4209583A Corrosion preventative for two-bath stabilizer baths Physics 1 Expired
US4886737A Stabilization of a photographically produced silver image Emerging Cross-Sectional Technologies 1 Expired
US5110715A Photographic reversal process Physics 1 Expired
US5006440A Process for stabilizing photographic silver images Physics 0 Expired

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