Zechlin; Joachim

Patent Applications and Registrations

Patent applications and USPTO patent grants for Zechlin; Joachim.The latest application filed is for "drying apparatus and use thereof and process for producing an isocyanate using the drying apparatus".

Company Profile

4.9.12

Zechlin; Joachim - Neuss DE
Zechlin; Joachim - Neuus DE
Zechlin; Joachim - Dusseldorf 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
Drying Apparatus And Use Thereof And Process For Producing An Isocyanate Using The Drying Apparatus App 20220187018 - Zechlin; Joachim ; et al.	2022-06-16
Process for quenching a gaseous reaction mixture obtained in the gas phase phosgenation of diamines Grant 10,975,020 - Gai , et al. April 13, 2	2021-04-13
Process For Quenching A Gaseous Reaction Mixture Obtained In The Gas Phase Phosgenation Of Diamines App 20200361857 - Gai; Yuguo ; et al.	2020-11-19
Method for producing isocyanates in the gas phase Grant 10,836,713 - Zechlin , et al. November 17, 2	2020-11-17
Method For Producing Isocyanates In The Gas Phase App 20200190021 - ZECHLIN; Joachim ; et al.	2020-06-18
Method for producing isocyanates Grant 10,435,353 - Zechlin , et al. O	2019-10-08
Method For Producing Isocyanates App 20180370907 - Zechlin; Joachim ; et al.	2018-12-27
Process for the production of toluene diisocyanate Grant 8,030,522 - Zechlin , et al. October 4, 2	2011-10-04
Process for the production of Raney nickel catalysts and their use in the hydrogenation of organic compounds Grant 7,517,829 - Zechlin , et al. April 14, 2	2009-04-14
Process for the production of toluene diisocyanate App 20070287857 - Zechlin; Joachim ; et al.	2007-12-13
Process for producing 5-nitro-3,4-dihydro-1(H)-naphthalinone, 1,5-naphthalenediamine and 1,5-naphthalene diisocyanate Grant 7,202,378 - Zechlin , et al. April 10, 2	2007-04-10
Process for producing 5-nitro-3,4-dihydro-1(2H)-naphthalinone, 1,5-naphthalenediamine and 1,5-naphthalene diisocyanate Grant 7,202,384 - Zechlin , et al. April 10, 2	2007-04-10
Process for producing 5-nitro-3,4-dihydro-1(H)-naphthalinone, 1,5-naphthalenediamine and 1,5-naphthalene diisocyanate App 20060183946 - Zechlin; Joachim ; et al.	2006-08-17
Process for producing 5-nitro-3,4-dihydro-1(2H)-naphthalinone, 1,5-naphthalenediamine and 1,5-naphthalene diisocyanate App 20060178526 - Zechlin; Joachim ; et al.	2006-08-10
Process for producing 5-nitro-3,4-dihydro-1(2H)-naphthalinone, 1-5-naphthalenediamine and 1,5-naphthalene diisocyanate Grant 7,057,071 - Zechlin , et al. June 6, 2	2006-06-06
Process for the production of Raney nickel catalysts and their use in the hydrogenation of organic compounds App 20050107251 - Zechlin, Joachim ; et al.	2005-05-19
Process for the production of 1,5-naphthalenediamine Grant 6,706,924 - Schelhaas , et al. March 16, 2	2004-03-16
Process for producing 5-nitro-3,4-dihydro-1(2H)-naphthalinone, 1-5-naphthalenediamine and 1,5-naphthalene diisocyanate App 20030229252 - Zechlin, Joachim ; et al.	2003-12-11
Process for preparing 1,4-diaminonaphthalene and/or 1,5-diaminonaphthalene App 20020198408 - Zechlin, Joachim ; et al.	2002-12-26
Polyurethane prepolymers and polyurethane elastomers based on 1,4-naphthalene diisocyanate App 20020123594 - Hoffmann, Andreas ; et al.	2002-09-05
Process for the production of 1,5-naphthalenediamine App 20020103401 - Schelhaas, Michael ; et al.	2002-08-01

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