Inventor · Portage, MI, US

James B. Heather

12Patents
5h-index
8Co-inventors
55Inventor score

Filing activity: Jun 12, 1974 → Jan 30, 1987

Most-cited inventions

PatentTitleAreaCited byStatus
US4695673A Process for the production of acylated 1,3-dicarbonyl compounds Chemistry; Metallurgy 56 Expired
US4431594A Method for preparation of salts of N-phosphonomethylglycine Chemistry; Metallurgy 8 Expired
US4634771A Method for converting carboxylic acid groups to trichloromethyl groups Chemistry; Metallurgy 6 Expired
US3968141A Processes for stereospecifically preparing chiral 2-substituted-4-hydroxy-2-cyclopenten-1-one Emerging Cross-Sectional Technologies 6 Expired
US4154748A Phosphate catalyzed acylation of steroidal tertiary alcohols Chemistry; Metallurgy 5 Expired
US4304727A 9.alpha.-Debromination Chemistry; Metallurgy 4 Expired
US4740623A Method for preparation of benzyl mercaptan Chemistry; Metallurgy 2 Expired
US4625065A Process for preparation of trimethylsulfoxonium salts Chemistry; Metallurgy 2 Expired
US4325881A Debromination Chemistry; Metallurgy 1 Expired
USRE29990E Processes for stereospecifically preparing chiral 2-substituted-4-hydroxy-2-cyclopenten-1-one General 0 Expired
US4057851A Chiral 2-substituted-4-hydroxy-2-cyclopenten-1-one Chemistry; Metallurgy 0 Expired
US4514215A 4-(2,6-Dialkylphenylamino)-3-alkoxy-2-butenoic acid and their use as herbicides Human Necessities 0 Expired

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