PC

Paul C. Chieng

IC International Minerals & Chemical: 3 patents #23 of 132Top 20%
MC Mallinckrodt Specialty Chemicals: 1 patents #8 of 23Top 35%
📍 Chesterfield, MO: #1,062 of 6,461 inventorsTop 20%
🗺 Missouri: #3,599 of 23,789 inventorsTop 20%
Overall (All Time): #885,897 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
5861110 Silica having high specific surface area and a narrow pore distribution Deborah J. Brame, Alexander H. T. Chu 1999-01-19
5200507 Method of separating a peptide from a resin 1993-04-06
5165907 Method of production of high purity silica and ammonium fluoride 1992-11-24
5158758 Production of silica having high specific surface area Deborah J. Brame, Alexander H. T. Chu 1992-10-27
5028407 Method of production of high purity fusible silica Vikram P. Mehrotra, Chin-Liang Chou 1991-07-02
4981664 Method of production of high purity silica and ammonium fluoride 1991-01-01