DG

David M. Giddings

NC Nalco Chemical: 10 patents #39 of 631Top 7%
📍 Tustin, CA: #150 of 1,327 inventorsTop 15%
🗺 California: #55,401 of 386,348 inventorsTop 15%
Overall (All Time): #474,749 of 4,157,543Top 15%
11
Patents All Time

Issued Patents All Time

Showing 1–11 of 11 patents

Patent #TitleCo-InventorsDate
D858006 Cat litter box 2019-08-27
RE33856 Terpolymer compositions for aqueous drilling fluids Charles D. Williamson 1992-03-24
RE33855 Terpolymer composition for aqueous drilling fluids Charles D. Williamson 1992-03-24
4770795 Calcium tolerant deflocculant for drilling fluids Dodd W. Fong 1988-09-13
4678591 Terpolymer composition for aqueous drilling fluids Charles D. Williamson 1987-07-07
4555558 Terpolymers of 2-acrylamido-2-methylpropane-sulfonic acid, sodium salt (AMPS), N,N-dimethylacrylamide, and acrylonitrile Donald G. Ries, Allen R. Syrinek 1985-11-26
4544719 Water-soluble polymers containing 2-acrylamido-2-methylpropane-sulfonic acid, sodium salt (AMPS)-acrylamide-N,N-diallylacetamide Donald G. Ries, Allen R. Syrinek 1985-10-01
4544722 Water-soluble terpolymers of 2-acrylamido-2-methylpropane-sulfonic acid, sodium salt (AMPS), n-vinylpyrrolidone and acrylonitrile Donald G. Ries, Allen R. Syrinek 1985-10-01
4502965 Terpolymers for use as high temperature fluid loss additive and rheology stabilizer for high pressure, high temperature oil well drilling fluids Donald G. Ries, Allen R. Syrinek 1985-03-05
4502966 Terpolymers for use as high temperature fluid loss additive and rheology stabilizer for high pressure, high temperature oil well drilling fluids Donald G. Ries, Allen R. Syrinek 1985-03-05
4502964 Terpolymers for use as high temperature fluid loss additive and rheology stabilizer for high pressure, high temperature oil well drilling fluids Donald G. Ries, Allen R. Syrinek 1985-03-05