Rittsteiger; Anne

Patent Applications and Registrations

Patent applications and USPTO patent grants for Rittsteiger; Anne.The latest application filed is for "2-(3-(aminomethyl)-3,5,5-trimethylcyclohexyl)propane-1,3-diamine, a process for its production and use".

Company Profile

8.12.19

Rittsteiger; Anne - Meltingen CH
Rittsteiger; Anne - Olfen DE
RITTSTEIGER; Anne - Erlangen 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 preparing amino compounds from nitrile compounds Grant 10,519,096 - Rittsteiger , et al. Dec	2019-12-31
Purification of crude isophoronediamine by partial condensation in series with total condensation Grant 10,392,340 - Rittsteiger , et al. A	2019-08-27
Coupling of distillative purification with a partial condenser for pre-purification of isophoronediamine Grant 10,343,975 - Rittsteiger , et al. July 9, 2	2019-07-09
2-(3-(aminomethyl)-3,5,5-trimethylcyclohexyl)propane-1,3-diamine, A Process For Its Production And Use App 20190106377 - RUFER; Alexander Martin ; et al.	2019-04-11
2-(3-(aminomethyl)-3,5,5-trimethylcyclohexyl)propane-1,3-diamine, a process for its production and use Grant 10,252,980 - Rufer , et al.	2019-04-09
Epoxy resin composition comprising 2-(3-(aminomethyl)-3,5,5-trimethylcyclohexyl)propane-1,3-diamine (AM-CPDA) as hardener Grant 10,221,277 - Langkabel , et al.	2019-03-05
Epoxy resin composition comprising 2-(2,2,6,6-tetramethylpiperidin-4-yl)propane-1,3-diamine as hardener Grant 10,214,612 - Langkabel , et al. Feb	2019-02-26
Hardener composition including 2-(2,2,6,6-tetramethylpiperidin-4-yl)propane-1,3-diamine Grant 10,173,979 - Rufer , et al. J	2019-01-08
2-(3-(aminomethyl)-3,5,5-trimethylcyclohexyl)propane-1,3-diamine, a process for its production and use Grant 10,160,717 - Rufer , et al. Dec	2018-12-25
Process For Preparing Amino Compounds From Nitrile Compounds App 20180339959 - Rittsteiger; Anne ; et al.	2018-11-29
Process for preparing 3 aminomethyl-3,5,5-trimethylcyclohexylamine Grant 10,125,089 - Kohlstruk , et al. November 13, 2	2018-11-13
Process For Preparing Isophorone Amino Alcohol (ipaa) App 20180230081 - Rufer; Alexander Martin ; et al.	2018-08-16
Process for preparing 3-aminomethyl-3,5,5-trimethylcyclohexylamine Grant 9,937,483 - Kohlstruk , et al. April 10, 2	2018-04-10
Hardener Composition Including 2-(2,2,6,6-tetramethylpiperidin-4-yl)propane-1,3-diamine App 20180093952 - Rufer; Alexander Martin ; et al.	2018-04-05
Removal Of Low Boilers And Reduction Of The Ammonia Content In Isophoronediamine By Partial Condensation App 20180029971 - Rittsteiger; Anne ; et al.	2018-02-01
Process for producing 2-(2,2,6,6-tetramethylpiperidin-4-yl)propane-1,3-diamine Grant 9,868,702 - Rufer , et al. January 16, 2	2018-01-16
2-(3,3,5-trimethylcyclohexyl)propane-1,3-diamine, a process for its production and use Grant 9,862,673 - Rufer , et al. January 9, 2	2018-01-09
Process For Preparing 3 Aminomethyl-3,5,5-trimethylcyclohexylamine App 20170362163 - Kohlstruk; Stephan ; et al.	2017-12-21
2-(3,3,5-trimethylcyclohexyl)propane-1,3-diamine, A Process For Its Production And Use App 20170355661 - Rufer; Alexander Martin ; et al.	2017-12-14
Process For Producing 2-(2,2,6,6-tetramethylpiperidin-4-yl)propane-1,3-diamine App 20170355674 - Rufer; Alexander Martin ; et al.	2017-12-14
Epoxy Resin Composition Comprising 2-(3-(aminomethyl)-3,5,5-trimethylcyclohexyl)propane-1,3-diamine (am-cpda) As Hardener App 20170355809 - Langkabel; Eike ; et al.	2017-12-14
Epoxy Resin Composition Comprising 2-(3,3,5-trimethylcyclohexyl)propane-1,3-diamine As Hardener App 20170355810 - Langkabel; Eike ; et al.	2017-12-14
Epoxy Resin Composition Comprising 2-(2,2,6,6-tetramethylpiperidin-4-yl)propane-1,3-diamine As Hardener App 20170355808 - Langkabel; Eike ; et al.	2017-12-14
2-(3-(aminomethyl)-3,5,5-trimethylcyclohexyl)propane-1,3-diamine, A Process For Its Production And Use App 20170355662 - Rufer; Alexander Martin ; et al.	2017-12-14
Coupling Of Distillative Purification With A Partial Condenser For Pre-purification Of Isophoronediamine App 20170298003 - Rittsteiger; Anne ; et al.	2017-10-19
Process For Producing Trimethylhexamethylenediamine App 20170226044 - Rittsteiger; Anne ; et al.	2017-08-10
Process For Preparing 3-aminomethyl-3,5,5-trimethylcyclohexylamine App 20160289164 - KOHLSTRUK; Stephan ; et al.	2016-10-06
Process For The Preparation Of Menthol App 20140066665 - MECHELHOFF; Martin ; et al.	2014-03-06
Process For The Preparation Of Menthol App 20140066664 - MECHELHOFF; Martin ; et al.	2014-03-06

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