JW

Jan G. Witteveen

NN Naarden-International N.V.: 2 patents #12 of 33Top 40%
📍 Naarden, NL: #12 of 54 inventorsTop 25%
Overall (All Time): #2,331,571 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4843061 Cyclohexane-, cyclohexene- and cyclohexadiene-, bicyclo (2.2.1)-heptenecarboxylic acid esters, and also perfume compositions and perfumed products which contain one or more of said compounds as perfume component Nicolaas L. J. M. Broekhof, Antonius J. A. van der Weerdt 1989-06-27
4760050 Isopropyl-methyl-butenoyl-cyclohexanes, -cyclohexenes and -cyclohexadienes, and also perfume compositions and perfumed articles and materials which contain said compounds as a perfume ingredient Antonius J. A. van der Weerdt, Nicolaas L. J. M. Broekhof 1988-07-26