Riehle; Richard J.

Patent Applications and Registrations

Patent applications and USPTO patent grants for Riehle; Richard J..The latest application filed is for "aqueous glyoxalated polyacrylamide composition".

Company Profile

0.12.10

Riehle; Richard J. - Wilmington DE
Riehle; Richard J - Wilmington 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
Aqueous Glyoxalated Polyacrylamide Composition App 20220213308 - Varnell; Daniel F. ; et al.	2022-07-07
Process to improve performance of wet-strength resins through base activation Grant 9,719,212 - Crisp , et al. August 1, 2	2017-08-01
Process To Improve Performance Of Wet-strength Resins Through Base Activation App 20160047090 - Crisp; Mark T. ; et al.	2016-02-18
Dispersible articles and methods of making the same Grant 9,121,137 - Viazmensky , et al. September 1, 2	2015-09-01
Dispersible Articles And Methods Of Making The Same App 20140311696 - Viazmensky; Helen ; et al.	2014-10-23
Modified vinylamine-containing polymers as additives in papermaking Grant 8,604,134 - Gu , et al. December 10, 2	2013-12-10
Quaternary vinylamine-containing polymers as additives in papermaking Grant 8,518,215 - McKay , et al. August 27, 2	2013-08-27
Membrane separation process for removing residuals from polyamine-epihalohydrin resins Grant 8,101,710 - Riehle , et al. January 24, 2	2012-01-24
Membrane Separation Process For Removing Residuals From Polyamine-epihalohydrin Resins App 20110263814 - Riehle; Richard J. ; et al.	2011-10-27
Process for Enhancing Dry Strength of Paper by Treatment with Vinylamine-Containing Polymers and Acrylamide-Containing Polymers App 20110155339 - Brungardt; Clement L. ; et al.	2011-06-30
Membrane separation process for removing residuals polyamine-epihalohydrin resins Grant 7,932,349 - Riehle , et al. April 26, 2	2011-04-26
Quaternary Vinylamine-Containing Polymers as Additives in Papermaking App 20100193148 - McKay; Jonathan M. ; et al.	2010-08-05
Modified vinylamine-containing polymers as additives in papermaking App 20090043051 - Gu; Qu-Ming ; et al.	2009-02-12
Adhesive Formulations Containing Urea Additives, Methods Of Forming Plywood Therewith, And Plywood Products Made Thereby App 20080292886 - Allen; Anthony J. ; et al.	2008-11-27
Membrane Separation Process For Removing Residuals From Polyamine-epihalohydrin Resins App 20080066881 - Riehle; Richard J. ; et al.	2008-03-20
Treatment of resins to lower levels of CPD-producing species and improve gelation stability Grant 7,081,512 - Riehle July 25, 2	2006-07-25
Treatment of resins to lower levels of CPD-producing species and improve gelation stability App 20040266984 - Riehle, Richard J.	2004-12-30
Resins of amphoteric aldehyde polymers and use of said resins as temporary wet-strength or dry-strength resins for paper Grant 6,197,919 - Crisp , et al. March 6, 2	2001-03-06
Alkaline paper surface sizing agents Grant 6,048,392 - Brungardt , et al. April 11, 2	2000-04-11
Method of surface sizing paper comprising surface sizing paper with 2-oxetanone ketene multimer sizing agent Grant 5,846,663 - Brungardt , et al. December 8, 1	1998-12-08

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