Lutjens; Holger

Patent Applications and Registrations

Patent applications and USPTO patent grants for Lutjens; Holger.The latest application filed is for "process for preparing monodisperse ion exchangers having chelating functional".

Company Profile

0.10.5

Lutjens; Holger - Koln DE
Lutjens; Holger - Cologne 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 monodisperse ion exchangers having chelating functional Grant 7,077,964 - Klipper , et al. July 18, 2	2006-07-18
Process for preparing monodisperse anion exchangers Grant 7,053,129 - Klipper , et al. May 30, 2	2006-05-30
Process for preparing monodisperse ion exchangers having chelating functional App 20040082744 - Klipper, Reinhold ; et al.	2004-04-29
Process for the preparation of strongly basic anion exchangers using ethylene oxide Grant 6,716,889 - Lutjens , et al. April 6, 2	2004-04-06
Process for preparing monodisperse anion exchangers having strongly basic functional groups Grant 6,699,913 - Klipper , et al. March 2, 2	2004-03-02
Method for producing osmotically and mechanically stable gel-like anion exchangers Grant 6,667,349 - Lutjens , et al. December 23, 2	2003-12-23
Process for preparing monodisperse ion exchangers having chelating functional groups and the use thereof Grant 6,649,663 - Klipper , et al. November 18, 2	2003-11-18
Process for the preparation of low-bleeding cation exchangers Grant 6,646,017 - Klipper , et al. November 11, 2	2003-11-11
Process for preparing selective ion exchangers Grant 6,610,753 - Lutjens , et al. August 26, 2	2003-08-26
Process For Preparing Selective Ion Exchangers App 20020193454 - LUTJENS, HOLGER ; et al.	2002-12-19
Process for preparing heterodisperse chelating resins App 20020185443 - Klipper, Reinhold ; et al.	2002-12-12
Process for preparing monodisperse, crosslinked bead polymers having thiourea groups and their use for adsorbing metal compounds App 20020035216 - Klipper, Reinhold ; et al.	2002-03-21
Sulfonation process App 20020022671 - Klipper, Reinhold ; et al.	2002-02-21
Process for the preparation of crosslinked polymers Grant 5,834,524 - Bloodworth , et al. November 10, 1	1998-11-10
Alloys of thermoplastic polymers containing oxetanyl groups Grant 5,194,497 - Piejko , et al. March 16, 1	1993-03-16

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