RK

Robert Kupper

WC W.R. Grace & Co.-Conn.: 5 patents #1 of 94Top 2%
W& W. R. Grace &: 1 patents #9 of 44Top 25%
📍 East Greenwich, RI: #1 of 23 inventorsTop 5%
🗺 Rhode Island: #3 of 240 inventorsTop 2%
Overall (1989): #1,455 of 140,708Top 2%
6
Patents 1989

Issued Patents 1989

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
4873359 Process for preparing as partyl-phenylalanine dipeptides Alan B. Chmurny, Akiva Gross, Rowena L. Roberts 1989-10-10
4855455 Preparation of amino acid derivatives 1989-08-08
4851588 Novel process for the preparation of bronopol Felek Jachimowicz, Jennifer M. Quirk, Christer L. Hakansson 1989-07-25
4820881 Decolorization 1989-04-11
4810817 Aspartyl-beta substituted phenylalanine dipeptides Alan B. Chmurny, Akiva Gross, Rowena L. Roberts 1989-03-07
4801742 N-formylation of amino carboxylates with alkyl formates Jennifer M. Quirk, Charles G. Carter 1989-01-31