Heida; Bernd

Patent Applications and Registrations

Patent applications and USPTO patent grants for Heida; Bernd.The latest application filed is for "method for obtaining pure 1,3-butadiene".

Company Profile

4.17.16

Heida; Bernd - Ellerstadt DE
Heida; Bernd - Boehl-Iggelheim 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 obtaining pure 1,3-butadiene Grant 11,034,631 - Heida , et al. June 15, 2	2021-06-15
Simplified process for isolating pure 1,3-butadiene Grant 10,968,152 - Heida , et al. April 6, 2	2021-04-06
Method For Obtaining Pure 1,3-butadiene App 20200339490 - HEIDA; Bernd ; et al.	2020-10-29
Distillation device comprising a column which as three or a plurality of cells in series through which fluid flows and method for distilling or extractive distillation by use of the distillation device Grant 10,569,192 - Asprion , et al. Feb	2020-02-25
Simplified Process For Isolating Pure 1,3-butadiene App 20200010387 - HEIDA; Bernd ; et al.	2020-01-09
Distillation Device Comprising A Column Which Has Three Or A Plurality Of Cells In Series Through Which Fluid Flows And Method For Distilling Or Extractive Distillation By Use Of The Distillation Device App 20180361270 - ASPRION; Norbert ; et al.	2018-12-20
Column with separative installations for separating a mixture of hydrocarbons and/or hydrocarbon derivatives by means of an extractive distillation using a selective solvent Grant 10,125,063 - Heida , et al. November 13, 2	2018-11-13
Column With Separative Installations For Separating A Mixture Of Hydrocarbons And/or Hydrocarbon Derivatives By Means Of An Extractive Distillation Using A Selective Solvent App 20170158583 - HEIDA; Bernd ; et al.	2017-06-08
Process for providing a vaporous purified crude C4 cut as a feed steam for an extractive distillation with a selective solvent Grant 8,766,029 - Heida , et al. July 1, 2	2014-07-01
Process for purifying a recycle stream from a 1,3-butadiene processing plant Grant 8,642,828 - Heida , et al. February 4, 2	2014-02-04
Process For Purifying A Recycle Stream From A 1,3-butadiene Processing Plant App 20130197292 - Heida; Bernd ; et al.	2013-08-01
Process For Providing A Vaporous Purified Crude C4 Cut As A Feed Stream For An Extractive Distillation With A Selective Solvent App 20130178684 - HEIDA; Bernd ; et al.	2013-07-11
Process for distillatively obtaining pure 1,3-butadiene from crude 1,3-butadiene Grant 8,361,280 - Stabel , et al. January 29, 2	2013-01-29
Process For Removing By-products From N-vinylamides App 20110245510 - Staffel; Wolfgang ; et al.	2011-10-06
Process For Distillatively Obtaining Pure 1, 3-butadiene From Crude 1, 3-butadiene App 20100126843 - Stabel; Uwe ; et al.	2010-05-27
Process for obtaining crude 1,3-butadiene from a C.sub.4 cut Grant 7,692,053 - Heida April 6, 2	2010-04-06
Method for obtaining crude 1,3-butadiene from a C.sub.4 fraction Grant 7,619,126 - Heida November 17, 2	2009-11-17
Method for the separation of a crude C.sub.4 cut Grant 7,557,257 - Heida July 7, 2	2009-07-07
Method and device for extractive distillation Grant 7,556,717 - Heida July 7, 2	2009-07-07
Continuous method for separating a C.sub.4 cut Grant 7,462,277 - Adrian , et al. December 9, 2	2008-12-09
Continuous method for obtaining butenes from a C.sub.4 fraction Grant 7,432,411 - Adrian , et al. October 7, 2	2008-10-07
Method for Obtaining Raw -1,3-Butadiene App 20080228019 - Heida; Bernd	2008-09-18
Method for working up crude 1,3-butadiene Grant 7,393,992 - Hill , et al. July 1, 2	2008-07-01
Method for obtaining crude 1,3-butadiene from a c4 fraction App 20070039813 - Heida; Bernd	2007-02-22
Method for the separation of a crude c4 cut App 20060241329 - Heida; Bernd	2006-10-26
Method for working up crude 1,3-butadiene App 20050240071 - HiIl, Thomas ; et al.	2005-10-27
Method and device for extractive distillation App 20050199482 - Heida, Bernd	2005-09-15
Continuous method for obtaining butenes from a c4 fraction App 20050154246 - Adrian, Till ; et al.	2005-07-14
Recovery of aqueous glyoxylic acid solutions Grant 4,902,828 - Wickenhaeuser , et al. February 20, 1	1990-02-20

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