Friedrich; Hans-Helmut

Patent Applications and Registrations

Patent applications and USPTO patent grants for Friedrich; Hans-Helmut.The latest application filed is for "stabilizing system for halogenous polymers".

Company Profile

0.15.11

Friedrich; Hans-Helmut - Lautertal-Gadernheim DE
Friedrich; Hans-Helmut - Lauteral-Gedernheim DE
Friedrich, Hans-Helmut - Lauteral-Gadernheim DE
Friedrich; Hans-Helmut - Lautertal DE
Friedrich; Hans-Helmut - Lautertal-2 DE
Friedrich; Hans-Helmut - Lindenfels Odenwald DT

*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
Stabilizer system for stabilizing halogen-containing polymers Grant 7,671,118 - Wehner , et al. March 2, 2	2010-03-02
Prestabilization of halogen-containing polymers Grant 7,612,133 - Kuhn , et al. November 3, 2	2009-11-03
Stabilizing System For Halogenous Polymers App 20090170988 - WEHNER; Wolfgang ; et al.	2009-07-02
Stabilizer system for stabilizing halogen-containing polymers Grant 7,393,887 - Friedrich , et al. July 1, 2	2008-07-01
Stabilizer system for stabilizing PVC Grant 7,358,286 - Hopfmann , et al. April 15, 2	2008-04-15
Prestabilization of halogen-containing polymers App 20070299175 - Kuhn; Karl-Josef ; et al.	2007-12-27
Novel stabilizer system for halogenous polymers App 20060270765 - Wehner; Wolfgang ; et al.	2006-11-30
Stabilizer system for the stabilisation of halogenated polymers App 20060235124 - Wehner; Wolfgang ; et al.	2006-10-19
Novel stabilizer system for stabilizing halogen-containing polymers App 20060192179 - Wehner; Wolfgang ; et al.	2006-08-31
Stabilizer system for stabilizing halogen-containing polymers App 20060183830 - Friedrich; Hans-Helmut ; et al.	2006-08-17
Chlorate-containing stabilizer system with nitrogen-containing synergists for stabilizing halogen-containing polymers Grant 7,077,981 - Wehner , et al. July 18, 2	2006-07-18
Monosubstituted 6-aminouracils for the stabilization of halogenated polymers App 20060148941 - Wehner; Wofgang ; et al.	2006-07-06
Stabilizer system for stabilizing pvc App 20060052497 - Hopfmann; Thomas ; et al.	2006-03-09
Prestabilization of halogen-containing polymers App 20040259988 - Kuhn, Karl-Josef ; et al.	2004-12-23
Chlorate-containing stabilizer system with nitrogen-containing synergists for stabilizing halogen-containing polymers App 20040132875 - Wehner, Wolfgang ; et al.	2004-07-08
Stabilizer system for stabilizing polymers that contain halogen App 20040054043 - Friedrich, Hans-Helmut ; et al.	2004-03-18
NH2-modified 6-aminouracils as stabilizers for halogenated polymers Grant 6,174,941 - Wehner , et al. January 16, 2	2001-01-16
Additives for lubricants Grant 5,892,051 - Wirth , et al. April 6, 1	1999-04-06
Rigid PVC stabilised with N,N-dimethyl-6-aminouracils Grant 5,859,100 - Wehner , et al. January 12, 1	1999-01-12
Phosphonic acid derivatives and thionophosphonic acid derivatives Grant 5,550,276 - Wirth , et al. August 27, 1	1996-08-27
Sulfur-and nitrogen-containing lubricant additives Grant 4,863,621 - Wirth , et al. September 5, 1	1989-09-05
Lubricant compositions, novel glucamine derivatives and complex compounds containing same Grant 4,732,691 - Wirth , et al. March 22, 1	1988-03-22
Complex compounds, process for their preparation, and their use Grant 4,425,278 - Wirth , et al. January 10, 1	1984-01-10
Complexed compounds, processes for their manufacture and their use Grant 4,404,408 - Wirth , et al. September 13, 1	1983-09-13
Novel adducts Grant 4,245,125 - Wirth , et al. January 13, 1	1981-01-13
Reaction product of mercaptans, alkylene oxides and glycidol Grant 3,988,378 - Wirth , et al. October 26, 1	1976-10-26

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