Lehner; Peter

Patent Applications and Registrations

Patent applications and USPTO patent grants for Lehner; Peter.The latest application filed is for "aniline purification process".

Company Profile

2.18.24

Lehner; Peter - Muhlheim an der Ruhr DE
Lehner; Peter - Mulheim an der Ruhr DE
Lehner; Peter - Baytown TX
Lehner; Peter - Houston TX
Lehner; Peter - Ratingen N/A DE
Lehner; Peter - Mulheim/Ruhr 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 and a system for separating and treating impurities from a hydrogen chloride liquid mixture Grant 11,267,703 - Rittermeier , et al. March 8, 2	2022-03-08
Aniline purification process Grant 10,889,539 - Merkel , et al. January 12, 2	2021-01-12
Aniline Purification Process App 20200123097 - Merkel; Michael ; et al.	2020-04-23
A Method And A System For Separating And Treating Impurities From A Hydrogen Chloride Liquid Mixture App 20190194018 - RITTERMEIER; Andre ; et al.	2019-06-27
Method for preparing diisocyanates in the gas phase Grant 10,040,753 - Lehner , et al. August 7, 2	2018-08-07
Method For Preparing Diisocyanates In The Gas Phase App 20180179149 - Lehner; Peter ; et al.	2018-06-28
Process for the purification of aniline from gas phase hydrogenations Grant 9,447,021 - Merkel , et al. September 20, 2	2016-09-20
Catalyst and method for producing aromatic amines in the gas phase Grant 9,266,094 - Merkel , et al. February 23, 2	2016-02-23
Process for purifying aniline from gas phase hydrogenations Grant 9,233,910 - Lehner , et al. January 12, 2	2016-01-12
Process for preparing aromatic amines Grant 9,139,510 - Merkel , et al. September 22, 2	2015-09-22
Process for producing aromatic amines Grant 9,067,864 - Sommer , et al. June 30, 2	2015-06-30
Process For The Purification Of Aniline From Gase Phase Hydrogenations App 20150080610 - Merkel; Michael ; et al.	2015-03-19
Catalyst And Method For Producing Aromatic Amines In The Gas Phase App 20140309457 - Merkel; Michael ; et al.	2014-10-16
Process for the preparation of isocyanates Grant 8,765,991 - Kintrup , et al. July 1, 2	2014-07-01
Process For Preparing Aromatic Amines App 20140128638 - Merkel; Michael ; et al.	2014-05-08
Process For Purifying Aniline From Gas Phase Hydrogenations App 20140046096 - Lehner; Peter ; et al.	2014-02-13
Method For The Simplified Removal Of A Reaction Product From Reaction Gas Mixtures Using At Least Two-fold Partial Condensation App 20130327086 - Moussa; Amgad Salah ; et al.	2013-12-12
Method For Continuously Producing Nitrobenzene App 20130204043 - Knauf; Thomas ; et al.	2013-08-08
Process For The Preparation Of Isocyanates App 20130144081 - Kintrup; Jurgen ; et al.	2013-06-06
Process for the purification of aromatic amines Grant 8,455,691 - Sommer , et al. June 4, 2	2013-06-04
Process For The Production Of Aromatic Amines App 20100324336 - Sommer; Knut ; et al.	2010-12-23
Process For The Preparation Of Aromatic Amines App 20100280271 - Sommer; Knut ; et al.	2010-11-04
Process for preparing aniline Grant 7,692,042 - Dugal , et al. April 6, 2	2010-04-06
Method And Device For Producing Aromatic Amines By Heterogeneous Catalyzed Hydration App 20090093655 - Schubert; Stephan ; et al.	2009-04-09
Process for the purification of aromatic amines App 20090065347 - Sommer; Knut ; et al.	2009-03-12
Process for removing compounds containing phenolic hydroxy groups from aromatic amines Grant 7,488,850 - Sommer , et al. February 10, 2	2009-02-10
Process for producing aromatic amines App 20080234518 - Sommer; Knut ; et al.	2008-09-25
Process for removing compounds containing phenolic hydroxy groups from aromatic amines App 20080139850 - Sommer; Knut ; et al.	2008-06-12
Process for preparing aniline App 20070238901 - Dugal; Markus ; et al.	2007-10-11
Process for preparing aniline App 20070203364 - Dugal; Markus ; et al.	2007-08-30
Process for the production of aromatic amines by heterogeneously catalysed hydrogenation Grant 7,193,112 - Lehner , et al. March 20, 2	2007-03-20
Process for the production of aromatic amines by heterogeneously catalysed hydrogenation App 20050080293 - Lehner, Peter ; et al.	2005-04-14

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