Inventor · Export, PA, US

Frederick F. Guzik

5Patents
3h-index
5Co-inventors
46Inventor score

Filing activity: Nov 13, 1975 → Jul 22, 1993

Most-cited inventions

PatentTitleAreaCited byStatus
US5137639A Method for purifying waste water using surface modified silica Emerging Cross-Sectional Technologies 9 Expired
US4424393A Process of preparation of substituted diphenyl ethers Chemistry; Metallurgy 5 Expired
US4197259A Preparation of haloaniline Chemistry; Metallurgy 3 Expired
US5298646A Synthesis of monochloroethyl chloroformates by free radical initiated chlorination of ethyl chloroformate Chemistry; Metallurgy 1 Expired
US4132800A S-p-methoxyphenyl N,N-diallylthiolcarbamate and S-p-methoxyphenyl N,N-bis(2,3-dibromopropyl)thiolcarbamate Human Necessities 0 Expired

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