Inventor · Ballwin, MO, US

Roy W. Grabner

12Patents
5h-index
11Co-inventors
63Inventor score

Filing activity: May 25, 1973 → Apr 14, 1999

Most-cited inventions

PatentTitleAreaCited byStatus
US4264739A Sparger for cell culture system Emerging Cross-Sectional Technologies 17 Expired
US5695969A Process for producing N-substituted polyhydroxy nitrogen-containing heterocycles Chemistry; Metallurgy 11 Expired
US5610039A Process for producing N-substituted-1-deoxynojirimycin Emerging Cross-Sectional Technologies 8 Expired
US4296204A Use of motionless mixer as cell culture propagator Chemistry; Metallurgy 6 Expired
US4107072A Process of isolating cyclohexane-free ethylcellulose microcapsules Emerging Cross-Sectional Technologies 6 Expired
US5401645A Process for producing n-substituted polyhydroxy nitrogen-containing heterocycles utilizing acetobacteraceae and corynebacterium Chemistry; Metallurgy 5 Expired
US4894444A Recovery and purification of immunogens from immunogen-alum complexes Chemistry; Metallurgy 2 Expired
US4415670A Motionless mixer as cell culture propagator Chemistry; Metallurgy 2 Expired
USD261807S Cell scraping device General 1 Expired
US5602013A Process for producing N-substituted-1-deoxynojirimycin Emerging Cross-Sectional Technologies 0 Expired
US5916784A Process for microbially oxidizing N-substituted glucamines Emerging Cross-Sectional Technologies 0 Expired
US6552176B2 Salt forms of 6-n-butylamino-6-deoxy-&agr;-L-sorbofuranose Emerging Cross-Sectional Technologies 0 Expired

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