Risse; Friedhelm

Patent Applications and Registrations

Patent applications and USPTO patent grants for Risse; Friedhelm.The latest application filed is for "process for producing dialkyl carbonates".

Company Profile

0.7.9

Risse; Friedhelm - Koln 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 producing dialkyl carbonates Grant 9,475,751 - Ooms , et al. October 25, 2	2016-10-25
Process For Producing Dialkyl Carbonates App 20150299097 - OOMS; Pieter ; et al.	2015-10-22
Bimetallic complexes and the use thereof in producing diaryl carbonate Grant 8,987,446 - Gurtler , et al. March 24, 2	2015-03-24
Process for preparing dialkyl carbonates Grant 8,552,214 - Ooms , et al. October 8, 2	2013-10-08
Bimetallic Complexes And The Use Thereof In Producing Diaryl Carbonate App 20130018186 - Gurtler; Christoph ; et al.	2013-01-17
Process for preparing dialkyl carbonates from alkylene carbonates and alcohols Grant 8,338,631 - Risse , et al. December 25, 2	2012-12-25
Process for preparing diaryl carbonates from dialkyl carbonates Grant 8,304,509 - Gurtler , et al. November 6, 2	2012-11-06
Process For Continuously Preparing Dialkyl Carbonate App 20120130110 - Ooms; Pieter ; et al.	2012-05-24
Process For Preparing Diaryl Carbonates From Dialkyl Carbonates App 20120101247 - Gurtler; Christoph ; et al.	2012-04-26
Process For Continuously Preparing Dialkyl Carbonate App 20120101293 - Ooms; Pieter ; et al.	2012-04-26
Process For Preparing Dialkyl Carbonates App 20110237819 - Ooms; Pieter ; et al.	2011-09-29
Process For Purifying Dialkyl Carbonates App 20110144371 - Ooms; Pieter ; et al.	2011-06-16
Process For Preparing Dialkyl Carbonates From Alkylene Carbonates And Alcohols App 20110040117 - Risse; Friedhelm ; et al.	2011-02-17

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