Bahrmann; Helmut

Patent Applications and Registrations

Patent applications and USPTO patent grants for Bahrmann; Helmut.The latest application filed is for "process for preparing sulfonated arylphosphines".

Company Profile

0.20.5

Bahrmann; Helmut - Hamminkeln DE
Bahrmann; Helmut - Hamminkelm DE
Bahrmann; Helmut - Hamminkeln-Brunen DE
Bahrmann; Helmut - Hamminkeln-Drunen DE

*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 for preparing sulfonated arylphosphines App 20060276669 - Riedel; Michael ; et al.	2006-12-07
Process for preparing sulfonated arylphosphines Grant 7,102,034 - Riedel , et al. September 5, 2	2006-09-05
Process for preparing sulfonated arylphosphines App 20050171377 - Riedel, Michael ; et al.	2005-08-04
Process for preparing sulfonated arylphosphines Grant 6,864,387 - Riedel , et al. March 8, 2	2005-03-08
Ionic liquids and production and use thereof Grant 6,703,507 - Bahrmann , et al. March 9, 2	2004-03-09
Process for preparing sulfonated arylphosphines App 20040019236 - Riedel, Michael ; et al.	2004-01-29
Method for producing sulfonated aryl phosphines Grant 6,610,881 - Riedel , et al. August 26, 2	2003-08-26
Isomeric nonanols and decanols, their preparation, phthalic esters obtained therefrom and their use as plasticizers Grant 6,482,972 - Bahrmann , et al. November 19, 2	2002-11-19
Ionic liquids and production and use thereof App 20020161261 - Bahrmann, Helmut ; et al.	2002-10-31
Isomeric nonanols and decanols, their preparation, phthalic esters obtained therefrom, and their use as plasticizers App 20020133047 - Bahrmann, Helmut ; et al.	2002-09-19
Process for the hydroformylation of olefinically unsaturated compounds Grant 5,756,854 - Bahrmann , et al. May 26, 1	1998-05-26
Sulfonated 2,2'-bis (Diphenylphosphinomethyl)-1,1'-binaphthalenes, process for their preparation and their use in a process for the hydroformylation of olefinically unsaturated compounds Grant 5,565,398 - Herrmann , et al. October 15, 1	1996-10-15
Sulfonated 2,2'-bis (diphenylphosphinomethyl)-1,1'-binaphthalenes, process for their preparation and their use in a process for the hydroformylation of olefinically unsaturated compounds Grant 5,481,045 - Herrmann , et al. January 2, 1	1996-01-02
Process for the preparation of sulfonated arylphosphines Grant 5,451,698 - Bahrmann , et al. September 19, 1	1995-09-19
Decyl alcohol mixtures, phthalic obtainable therefrom, and their use as plasticizers Grant 5,382,716 - Bahrmann , et al. January 17, 1	1995-01-17
Process for the preparation of aldehydes Grant 5,367,107 - Bahrmann , et al. November 22, 1	1994-11-22
Sulfonated 2,2'-bis (diphenylphosphinomethyl)-1,1'-binaphthalenes, process for their preparation and their use in a process for the hydroformylation of olefinically unsaturated compounds Grant 5,347,045 - Herrmann , et al. September 13, 1	1994-09-13
Water-soluble sulfonated diphosphines Grant 5,274,183 - Herrman , et al. December 28, 1	1993-12-28
Process for producing aldehydes Grant 5,223,648 - Herrmann , et al. June 29, 1	1993-06-29
Process for separating organometallic compounds and/or metal carbonyls from their solutions in organic media Grant 5,174,899 - Bahrmann , et al. December 29, 1	1992-12-29
Process for the preparation of aldehydes Grant 5,118,867 - Bahrmann , et al. June 2, 1	1992-06-02
Process for hydroformylation with rhodium catalysts and the separation of rhodium therefrom Grant 5,091,350 - Cornils , et al. February 25, 1	1992-02-25
Process for the preparation of aldehydes Grant 4,808,757 - Cornils , et al. February 28, 1	1989-02-28
Process for the preparation of nonadecanediols Grant 4,723,047 - Bahrmann , et al. February 2, 1	1988-02-02
Process for the preparation of aldehydes Grant 4,578,523 - Bahrmann , et al. March 25, 1	1986-03-25

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