Inventor · disambiguated record
John W. Varwig
Also filed as: VARWIG JOHN W
3 granted patents·28 citations·filing 1985–1990
69Inventor score
Technology areasC07C
Top patents by PatentIndex Score
3 records- 0175US5034156AMethod for inhibiting the polymerization of acrylic acidMALLINCKRODT SPEC CHEM·Filed 1990·Granted Jul 23, 1991·19 cites·11 claims
- 0256US4772740AEthanolamine salt of N-Nitrosophenylhydroxylamine and inhibiting polymerization therewithMALLINCKRODT INC·Filed 1985·Granted Sep 20, 1988·6 cites·35 claims
- 0345US4898976AMethod of making the ethanolamine salt of N-nitrosophenylhydroxylamineMALLINCKRODT INC·Filed 1989·Granted Feb 6, 1990·3 cites·11 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →