DS

Donald P. Spitzer

CT Cytec Technology: 13 patents #9 of 326Top 3%
AC American Cyanamid: 7 patents #203 of 1,554Top 15%
Overall (All Time): #223,113 of 4,157,543Top 6%
20
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
10144663 Hydrophobically modified polyamine scale inhibitors Howard I. Heitner 2018-12-04
9745216 Hydrophobically modified polyamine scale inhibitors Howard I. Heitner 2017-08-29
9365442 Hydrophobically modified polyamine scale inhibitors Howard I. Heitner 2016-06-14
8906239 Use of silicon-containing polymers to improve red mud flocculation in the bayer process Qi Dai, Howard I. Heitner, Huann-Lin Tony Chen 2014-12-09
8450452 Hydrophobically modified polyamine scale inhibitors Howard I. Heitner 2013-05-28
8067507 Compositions for preventing or reducing aluminosilicate scale in industrial processes Matthew Taylor, Haunn-Lin Tony Chen, Howard I. Heitner 2011-11-29
7999065 Hydrophobically modified polyamine scale inhibitors Howard I. Heitner 2011-08-16
7763698 Composition for preventing or reducing aluminosilicate scale in industrial processes Alan S. Rothenberg, Howard I. Heitner, Frank Kula 2010-07-27
7442755 Polymers for preventing or reducing aluminosilicate scale in a bayer process Alan S. Rothenberg, Howard I. Heitner, Frank Kula 2008-10-28
7390415 Method and compositions for preventing or reducing aluminosilicate scale in alkaline industrial processes Alan S. Rothenberg, Howard I. Heitner, Frank Kula 2008-06-24
6814873 Method of preventing or reducing aluminosilicate scale in a bayer process Alan S. Rothenberg, Howard I. Heitner, Frank Kula 2004-11-09
6077486 Process for purifying alumina by mixing a Bayer process stream containing sodium aluminate with amidoxime polymer to reduce the level of iron 2000-06-20
5451329 Dewatering of alumina trihydrate Skip Bode, Patrick Bair 1995-09-19
5133874 Removal of humate from bayer alumina liquors Peter J. Strydom 1992-07-28
4902764 Polymeric sulfide mineral depressants Alan S. Rothenberg, David W. Lipp, Samuel S. Wang 1990-02-20
4902751 Preparation of modified acrylamide polymers Morris E. Lewellyn 1990-02-20
4767540 Polymers containing hydroxamic acid groups for reduction of suspended solids in bayer process streams Wei S. Yen 1988-08-30
4744893 Polymeric sulfide mineral depressants Alan S. Rothenberg, David W. Lipp, Samuel S. Wang 1988-05-17
4717550 Process for purifying alumina David W. Lipp, Alan S. Rothenberg, Hans Peter Panzer 1988-01-05
4585550 High molecular weight carboxylic acids as collectors of mineral values from carbonaceous ores Peter V. Avotins 1986-04-29