Wendel; Stephan

Patent Applications and Registrations

Patent applications and USPTO patent grants for Wendel; Stephan.The latest application filed is for "polyurethane foam production process, pre-mix, formulation, and product".

Company Profile

4.3.4

Wendel; Stephan - Oldenburg DE
WENDEL, STEPHAN - LEVERKUSEN 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
Delayed action gelling catalyst compositions and methods for making polyurethane polymers Grant 10,988,566 - Burdeniuc , et al. April 27, 2	2021-04-27
Polyurethane foam production process, pre-mix, formulation, and product Grant 10,815,351 - Burdeniuc , et al. October 27, 2	2020-10-27
Polyurethane Foam Production Process, Pre-mix, Formulation, And Product App 20190100638 - Burdeniuc; Juan Jesus ; et al.	2019-04-04
Delayed Action Gelling Catalyst Compositions And Methods For Making Polyurethane Polymers App 20190016844 - Burdeniuc; Juan Jesus ; et al.	2019-01-17
N,N,N'-Trimethyl-Bis-(Aminoethyl) Ether and its Derivatives as Catalysts for Polyurethanes App 20180214857 - Burdeniuc; Juan Jesus ; et al.	2018-08-02
Process For The Production Of Rigid Foams Containing Urethane Groups And Predominantly Isocyanurate Groups App 20020103268 - WIEDERMANN, ROLF ; et al.	2002-08-01
Process for the production of rigid foams containing urethane and isocyanurate groups Grant 5,367,000 - Wiedermann , et al. November 22, 1	1994-11-22

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