EH

Emanuel Heilweil

GS Givaudan Sa: 8 patents #10 of 78Top 15%
GI Givaudan-Roure: 1 patents #9 of 38Top 25%
Overall (All Time): #591,390 of 4,157,543Top 15%
9
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5436338 Heterocyclic formamidines useful as ultraviolet light absorbers Joseph A. Virgilio, Isaac Cohen 1995-07-25
5243055 Heterocyclic formamidines useful as ultraviolet light absorbers Joseph A. Virgilio, Isaac Cohen 1993-09-07
4841063 2-alkyl-3-haloisothiazol-3-thione Joseph A. Virgilio, Milton Manowitz 1989-06-20
4508908 2-Alkyl-3-haloisothiazolium salts and their derivatives Joseph A. Virgilio, Milton Manowitz 1985-04-02
4477683 3-Methyl-1-(2,3,4-and 2,4,4-trimethyl-1-cyclopentylidene) pent-2-en-4-one and isomers, and perfume compositions thereof Joseph A. Virgilio 1984-10-16
4328347 3-Dicyanomethylene-4-isothiazolines Joseph A. Virgilio, Milton Manowitz 1982-05-04
4281136 2-Alkyl-3-haloisothiazolium salts and their derivatives Joseph A. Virgilio, Milton Manowitz 1981-07-28
4262127 3-Alkoxy-2-alkylisothiazolium salts and their derivatives Joseph A. Virgilio, Milton Manowitz 1981-04-14
4182730 Process for the preparation of substituted dihydrocinnamaldehydes via novel .beta.-chlorocinnamaldehydes Joseph A. Virgilio, Thomas F. Wood, Harold A. Brandman 1980-01-08