Gutweiler; Matthias

Patent Applications and Registrations

Patent applications and USPTO patent grants for Gutweiler; Matthias.The latest application filed is for "method for the modification of polyvinyl butyrals".

Company Profile

0.7.4

Gutweiler; Matthias - Hunfelden DE
Gutweiler; Matthias - Huenfelden DE
Gutweiler; Matthias - Hunfelden-Dauborn DE
Gutweiler; Matthias - Taunusstein 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 production of a modified acetalated polyvinyl alcohol Grant 8,178,618 - Frank , et al. May 15, 2	2012-05-15
Method For The Modification Of Polyvinyl Butyrals App 20090176937 - Frank; Michael ; et al.	2009-07-09
Crosslinked polyvinyl acetals Grant 7,528,192 - Papenfuhs , et al. May 5, 2	2009-05-05
Crosslinked polyvinyl acetals Grant 7,511,096 - Papenfuhs , et al. March 31, 2	2009-03-31
Plastic moulded bodies, method for the production and use thereof App 20060251836 - Jonas; Simon ; et al.	2006-11-09
Crosslinked polyvinyl acetals App 20060205871 - Papenfuhs; Bernd ; et al.	2006-09-14
Crosslinked polyvinyl acetals App 20060052533 - Papenfuhs; Bernd ; et al.	2006-03-09
Process for preparing poly ( vinyl acetals ) and poly (vinyl ketals) Grant 5,866,654 - Fuss , et al. February 2, 1	1999-02-02
Graft polyvinyl acetals having acetal groups from etherified .omega.-hydroxy(poly)alkoxyalkanals, processes for their preparation and their use Grant 5,580,938 - Gutweiler , et al. December 3, 1	1996-12-03
Polymers and oligomers of bile acid derivatives, process for their preparation and their use as pharmaceuticals Grant 5,430,116 - Kramer , et al. July 4, 1	1995-07-04
Polyvinyl acetals having improved melt viscosity characteristics, processes for their preparation and their use Grant 5,367,015 - Gutweiler , et al. November 22, 1	1994-11-22

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