Inventor · Windom, MN, US

Mark A. Rustad

14Patents
4h-index
2Co-inventors
46Inventor score

Filing activity: Dec 19, 1977 → May 13, 1991

Most-cited inventions

PatentTitleAreaCited byStatus
US4716178A Substituted di-t-butylphenols Chemistry; Metallurgy 13 Expired
US4968710A Substituted di-t-butylphenols and anti-allergic use thereof Chemistry; Metallurgy 12 Expired
US5066822A Di-t-butylphenols substituted by an alkoxy or benzyloxy group or a benzylthio group Chemistry; Metallurgy 8 Expired
US5049572A Substituted di-t-butylphenols and anti-allergic use thereof Chemistry; Metallurgy 7 Expired
US4973731A Di-t-butylphenyl alkyl and benzyl ether nitriles Chemistry; Metallurgy 3 Expired
US4143152A Anti-microbial (2-nitro-3-phenyl benzofuranyl)-phenylalkanoic acids and derivatives Chemistry; Metallurgy 2 Expired
US4153721A Derivatives of 2-nitrobenzofuran Chemistry; Metallurgy 2 Expired
US4246179A Certain benzofuran benzene acetic acid type compounds Chemistry; Metallurgy 0 Expired
US4258213A Derivatives of 2-nitrobenzofuran Chemistry; Metallurgy 0 Expired
US4172205A Phenylalkanoic acid derivatives Chemistry; Metallurgy 0 Expired
US4208337A Diphenylbenzofuran compounds Chemistry; Metallurgy 0 Expired
US4275221A Derivatives of 2-nitrobenzofuran Chemistry; Metallurgy 0 Expired
US4247469A Certain mono-bromo bis-phenyl benzofurans Chemistry; Metallurgy 0 Expired
US5103037A Substituted di-t-butylphenols Chemistry; Metallurgy 0 Expired

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