Weiden; Michael

Patent Applications and Registrations

Patent applications and USPTO patent grants for Weiden; Michael.The latest application filed is for "security pigment".

Company Profile

0.4.9

Weiden; Michael - Darmstadt 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
Security Pigment App 20110018252 - Petry; Ralf ; et al.	2011-01-27
Process for the preparation of perfluoroalkylphosphines and the use thereof as perfluoroalkylating reagents Grant 7,632,969 - Welz-Biermann , et al. December 15, 2	2009-12-15
Interactive Holographic Security Element App 20090272805 - Riddle; Rodney ; et al.	2009-11-05
Multiple Security Means Comprising an Interactive Security Element App 20090207465 - Riddle; Rodney ; et al.	2009-08-20
Process For The Preparation Of Perfluoroalkylphosphines And The Use Thereof As Perfluoroalkylating Reagents App 20070191637 - Welz-Biermann; Urs ; et al.	2007-08-16
Method for the production of perfluoroalkyl phosphines and the use thereof as perfluoroalkylating reactants Grant 7,208,626 - Welz-Biermann , et al. April 24, 2	2007-04-24
Process for the preparation of bis(perfluoroalkyl)phosphinic acids and salts thereof Grant 7,202,379 - Welz-Biermann , et al. April 10, 2	2007-04-10
Method for the production of monohydro-perfluoroalkanes, bis(perfluoroalkyl)phosphinates and perfluoroalkylphosphonates Grant 7,145,004 - Ignatyev , et al. December 5, 2	2006-12-05
Laser marking of documents of value App 20060141391 - Klein; Sylke ; et al.	2006-06-29
Process for the preparation of bis(perfluoroalkyl)phosphinic acids and salts thereof App 20050256334 - Welz-Biermann, Urs ; et al.	2005-11-17
Method for the production of monohydro-perfluoroalkanes, bis (perfluoroalkyl) phosphinates and perfluoroalkylphosphonates App 20050222411 - Ignatyev, Nikolai ; et al.	2005-10-06
Method for the production of perfluoroaldyl phosphines and the use thereof as perfluoroalkylating reactants App 20050131256 - Welz-Biermann, Urs ; et al.	2005-06-16
Method for perfluoroalkylation by means of tris (perfluoroalkyl) phosphine oxides App 20050119513 - Ignatyev, Nikolai ; et al.	2005-06-02

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