Bohner; Gerd

Patent Applications and Registrations

Patent applications and USPTO patent grants for Bohner; Gerd.The latest application filed is for "method for recovering crude 1,3-butadiene by extractive distillation from a c4 cut".

Company Profile

0.4.5

Bohner; Gerd - Malsch 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
Method for recovering crude 1,3-butadiene by extractive distillation from a C.sub.4 cut Grant 7,226,527 - Bohner , et al. June 5, 2	2007-06-05
Method and device for obtaining 1,3 pure butadiene from 1,3 raw butadiene by distillation Grant 7,132,038 - Bohner , et al. November 7, 2	2006-11-07
Catalyst and method for producing polytetrahydrofurane Grant 6,870,014 - Steinbrenner , et al. March 22, 2	2005-03-22
Method for recovering crude 1,3-butadiene by extractive distillation from a c4 cut App 20040065538 - Bohner, Gerd ; et al.	2004-04-08
Method for the single-step production of polytetrahydrofuran and tetrahydrofuran copolymers Grant 6,716,937 - Bohner , et al. April 6, 2	2004-04-06
Method and device for obtaining 1,3 pure butadiene from 1,3 raw butadiene by distillation App 20040045804 - Bohner, Gerd ; et al.	2004-03-11
Catalyst and method for producing polytetrahydrofurane App 20030186806 - Steinbrenner, Ulrich ; et al.	2003-10-02
Method and device for treating a c4 fraction App 20030181772 - Meyer, Gerald ; et al.	2003-09-25
Method for the single-step production of polytetrahydrofuran and tetrahydrofuran copolymers App 20030176630 - Bohner, Gerd ; et al.	2003-09-18

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