JV

John W. Varwig

MA Mallinckrodt: 2 patents #164 of 489Top 35%
MC Mallinckrodt Specialty Chemicals: 1 patents #8 of 23Top 35%
📍 Chesterfield, MO: #1,900 of 6,461 inventorsTop 30%
🗺 Missouri: #6,609 of 23,789 inventorsTop 30%
Overall (All Time): #1,665,223 of 4,157,543Top 45%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5034156 Method for inhibiting the polymerization of acrylic acid 1991-07-23
4898976 Method of making the ethanolamine salt of N-nitrosophenylhydroxylamine 1990-02-06
4772740 Ethanolamine salt of N-Nitrosophenylhydroxylamine and inhibiting polymerization therewith 1988-09-20