Spitzer; Donald P.

Patent Applications and Registrations

Patent applications and USPTO patent grants for Spitzer; Donald P..The latest application filed is for "hydrophobically modified polyamine scale inhibitors".

Company Profile

0.17.13

Spitzer; Donald P. - Stamford CT
Spitzer; Donald P. - Riverside CT

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Hydrophobically modified polyamine scale inhibitors Grant 10,144,663 - Heitner , et al. De	2018-12-04
Hydrophobically modified polyamine scale inhibitors Grant 9,745,216 - Heitner , et al. August 29, 2	2017-08-29
Hydrophobically Modified Polyamine Scale Inhibitors App 20160221850 - Heitner; Howard ; et al.	2016-08-04
Hydrophobically modified polyamine scale inhibitors Grant 9,365,442 - Heitner , et al. June 14, 2	2016-06-14
Hydrophobically Modified Polyamine Scale Inhibitors App 20160083277 - Heitner; Howard ; et al.	2016-03-24
Hydrophobically Modified Polyamine Scale Inhibitors App 20130180933 - Heitner; Howard I. ; et al.	2013-07-18
Hydrophobically modified polyamine scale inhibitors Grant 8,450,452 - Heitner , et al. May 28, 2	2013-05-28
Compositions for preventing or reducing aluminosilicate scale in industrial processes Grant 8,067,507 - Taylor , et al. November 29, 2	2011-11-29
Hydrophobically Modified Polyamine Scale Inhibitors App 20110220581 - Heitner; Howard I. ; et al.	2011-09-15
Hydrophobically modified polyamine scale inhibitors Grant 7,999,065 - Heitner , et al. August 16, 2	2011-08-16
Compositions For Preventing Or Reducing Aluminosilicate Scale In Industrial Processes App 20100256317 - Spitzer; Donald P. ; et al.	2010-10-07
Composition for preventing or reducing aluminosilicate scale in industrial processes Grant 7,763,698 - Spitzer , et al. July 27, 2	2010-07-27
Hydrophobically Modified Polyamine Scale Inhibitors App 20090099328 - Heitner; Howard I. ; et al.	2009-04-16
Polymers For Preventing Or Reducing Aluminosilicate Scale In A Bayer Process App 20090018295 - Spitzer; Donald P. ; et al.	2009-01-15
Polymers for preventing or reducing aluminosilicate scale in a bayer process Grant 7,442,755 - Spitzer , et al. October 28, 2	2008-10-28
Method Of Preventing Or Reducing Aluminosilicate Scale In Industrial Processes App 20080179564 - Spitzer; Donald P. ; et al.	2008-07-31
Method and compositions for preventing or reducing aluminosilicate scale in alkaline industrial processes Grant 7,390,415 - Spitzer , et al. June 24, 2	2008-06-24
Method of preventing or reducing aluminosilicate scale in high level nuclear wastes App 20060124553 - Taylor; Matthew Lee ; et al.	2006-06-15
Method of preventing or reducing aluminosilicate scale in kraft pulp mills App 20050274926 - Spitzer, Donald P. ; et al.	2005-12-15
Method Of Preventing Or Reducing Aluminosilicate Scale In A Bayer Process App 20050010008 - Spitzer, Donald P. ; et al.	2005-01-13
Method of preventing or reducing aluminosilicate scale in a bayer process Grant 6,814,873 - Spitzer , et al. November 9, 2	2004-11-09
Method of preventing or reducing aluminosilicate scale in a bayer process App 20040162406 - Spitzer, Donald P. ; et al.	2004-08-19
Method of preventing or reducing aluminosilicate scale in a bayer process App 20040011744 - Spitzer, Donald P. ; et al.	2004-01-22
Removal of humate from bayer alumina liquors Grant 5,133,874 - Spitzer , et al. July 28, 1	1992-07-28
Polymeric sulfide mineral depressants Grant 4,902,764 - Rothenberg , et al. February 20, 1	1990-02-20
Polymers containing hydroxamic acid groups for reduction of suspended solids in bayer process streams Grant 4,767,540 - Spitzer , et al. August 30, 1	1988-08-30
Polymeric sulfide mineral depressants Grant 4,744,893 - Rothenberg , et al. May 17, 1	1988-05-17
High molecular weight carboxylic acids as collectors of mineral values from carbonaceous ores Grant 4,585,550 - Avotins , et al. April 29, 1	1986-04-29
Hydrodesulfurization catalysts based on supports prepared from rehydratable alumina Grant 4,120,826 - Ebel , et al. October 17, 1	1978-10-17

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