Nagaraj; D. R.

Patent Applications and Registrations

Patent applications and USPTO patent grants for Nagaraj; D. R..The latest application filed is for "process and reagent for separating finely divided titaniferrous impurities from kaolin".

Company Profile

0.12.3

Nagaraj; D. R. - Ridgefield CT
Nagaraj, D. R. - Stamford CT
Nagaraj; D. R. - Fairfield 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
Process and reagent for separating finely divided titaniferrous impurities from Kaolin Grant 7,393,462 - Gorken , et al. July 1, 2	2008-07-01
Process and reagent for separating finely divided titaniferrous impurities from Kaolin App 20050252834 - Gorken, Abdul ; et al.	2005-11-17
Process for removing metal impurities from wet process phosphoric acid and compositions thereof App 20040179984 - Nagaraj, D. R. ; et al.	2004-09-16
Process for removing impurities from kaolin clays App 20010022282 - Nagaraj, D. R. ; et al.	2001-09-20
Polymeric sulfide mineral depressants Grant 5,756,622 - Wang , et al. May 26, 1	1998-05-26
Frothing procedure using polymeric sulfide mineral depressants Grant 5,019,246 - Wang , et al. May 28, 1	1991-05-28
Allyl thiourea polymer with surface-modifying agent Grant 4,966,938 - Wang , et al. October 30, 1	1990-10-30
Allyl thiourea polymers Grant 4,902,765 - Wang , et al. February 20, 1	1990-02-20
Method of using polymeric sulfide mineral depressants Grant 4,888,106 - Lipp , et al. December 19, 1	1989-12-19
Novel collectors and processes for making and using same Grant 4,871,466 - Wang , et al. October 3, 1	1989-10-03
Polymeric sulfide mineral depressants Grant 4,866,150 - Lipp , et al. September 12, 1	1989-09-12
Flotation beneficiation process for non-sulfide minerals Grant 4,720,339 - Nagaraj , et al. January 19, 1	1988-01-19
Monothiophosphinates as acid, neutral, or mildly alkaline circuit sulfide collectors and process for using same Grant 4,587,013 - Nagaraj , et al. May 6, 1	1986-05-06
Process for the flotation of base metal sulfide minerals in acid, neutral or mildly alkaline circuits Grant 4,556,482 - Nagaraj December 3, 1	1985-12-03
Process for the flotation of sulfide minerals employing alkylaryl hydrocarbon compounds Grant 4,341,626 - Dauplaise , et al. July 27, 1	1982-07-27

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