Inventor · Houston, TX, US

James Elder

14Patents
4h-index
37Co-inventors
60Inventor score

Filing activity: Dec 3, 1980 → Apr 2, 2020

Most-cited inventions

PatentTitleAreaCited byStatus
US6384274B1 Single reactor process for preparing acrylic acid from propylene having improved capacity Performing Operations; Transporting 10 Expired
US6639106B1 Process for preparing and purifying acrylic acid from propylene having improved capacity Chemistry; Metallurgy 8 Expired
US7435905B1 Electrical conduit body Electricity 7 Active
US7723541B2 Process for manufacturing high purity methacrylic acid Chemistry; Metallurgy 4 Active
US8002047B2 Method and apparatus for deflagration pressure attenuation Performing Operations; Transporting 3 Active
US6620968B1 High hydrocarbon space velocity process for preparing unsaturated aldehydes and acids Emerging Cross-Sectional Technologies 2 Expired
US6499412B2 Method of firebox temperature control for achieving carbon monoxide emission compliance in industrial furnaces with minimal energy consumption Mechanical Engineering; Lighting; Heating 2 Expired
US8044237B2 Method for production of aqueous (meth)acrylic acid Chemistry; Metallurgy 1 Active
US12098124B2 Acid catalyzed synthesis of methyl acrylate from acrylic acid and methanol Emerging Cross-Sectional Technologies 0 Active
US10479751B2 Process for preparing acrylic acid Performing Operations; Transporting 0 Active
US10829435B2 Method for production of methyl methacrylate by oxidative esterification using a heterogeneous catalyst Performing Operations; Transporting 0 Active
US8044238B2 Method for production of purified (meth)acrylic acid Performing Operations; Transporting 0 Active
US12065403B2 Acid catalyzed synthesis of methyl acrylate from acrylic acid and methanol Chemistry; Metallurgy 0 Active
US4338885A Cattle head holder Human Necessities 0 Expired

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