JS

John G. Schaffhausen

S( Standard Oil Company (Indiana): 6 patents #35 of 576Top 7%
AM Amoco: 3 patents #256 of 1,251Top 25%
ET Ethyl: 1 patents #298 of 494Top 65%
📍 Aurora, IL: #109 of 1,049 inventorsTop 15%
🗺 Illinois: #8,942 of 84,256 inventorsTop 15%
Overall (All Time): #527,930 of 4,157,543Top 15%
10
Patents All Time

Issued Patents All Time

Showing 1–10 of 10 patents

Patent #TitleCo-InventorsDate
5235115 Preparation of 2-alkoxy-6-ethylnaphthalenes Gary P. Hagen, Wen-Dong Chang, Andreas Ernst, David Aaron Palmer, Daniel B. Pourreau +1 more 1993-08-10
5204012 Supplemental rust inhibitors and rust inhibition in internal combustion engines 1993-04-20
4906778 Process for the production of aminoguanidine bicarbonate 1990-03-06
4844827 Lubricating oil additive 1989-07-04
4485023 Lubricating oil containing Mannich condensation product of ethylene/propylene/carbonyl polymers Carl Serres 1984-11-27
4473482 Ethylene/propylene/co polymers Carl Serres 1984-09-25
4444956 Process for preparation of Mannich condensation product Adel B. Abdul-Malek 1984-04-24
4434270 Ethylene/propylene/vinyl alkyl ketone polymers Carl Serres 1984-02-28
4424317 Mannich condensation product of ethylene/propylene/carbonyl polymers Carl Serres 1984-01-03
4396774 "Use of a catalyst to inhibit formation of tar during the ""ENE"" reaction of an ethylenically unsaturated alpha, beta dicarboxylic acid compound and an ethylenically unsaturated hydrocarbon" 1983-08-02