GS

George P. Speranza

Chevron: 9 patents #4 of 266Top 2%
AT Arco Chemical Technology: 1 patents #14 of 30Top 50%
🗺 Texas: #10 of 4,134 inventorsTop 1%
Overall (1989): #408 of 140,708Top 1%
10
Patents 1989

Issued Patents 1989

Showing 1–10 of 10 patents

Patent #TitleCo-InventorsDate
4886909 Aromatic amine terminated trifunctional polyoxyalkylene urea Jiang-Jen Lin 1989-12-12
4886867 Novel compositions from polyoxyalkylene amines and epoxides Jiang-Jen Lin 1989-12-12
4885390 Alkoxylated ethylene glycol diamine bottoms products for rigid urethane foams Michael E. Brennan, Jiang-Jen Lin 1989-12-05
4847380 High molecular weight polyalkoxyamide, urea or urethane-containing piperidine radical Jiang-Jen Lin 1989-07-11
4847417 Bis(diaminopolyalkoxy)-N-alkylamines by amination of hydroxyl-containing tertiary amines John M. Larkin 1989-07-11
4828757 Liquid cleaning compositions containing polyether amide surfactants as thickening agents Carter G. Naylor, Jiang-Jen Lin 1989-05-09
4826930 Melamine-diamine condensates and the cure of 1,2-epoxide resins therewith Robert L. Zimmerman, Harold G. Waddill 1989-05-02
4827038 Bis(diaminopolyalkoxy)-N-alkylamines by amination of hydroxyl-containing tertiary amines John M. Larkin 1989-05-02
4826995 Bismaleimide derivatives of higher molecular weight polyoxyalkyleneamines David C. Alexander 1989-05-02
4795581 Aqueous fluids thickened with fatty acid modified polyoxyalkylene diamines Edward C. Y. Nieh, Jiang-Jen Lin 1989-01-03