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Richard J. Riehle
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Wilmington, DE, US
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Patents Grants
last 30 patents
Information
Patent Grant
Aqueous glyoxalated polyacrylamide composition
Patent number
12,065,527
Issue date
Aug 20, 2024
Solenis Technologies, L.P.
Daniel F. Varnell
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Modified vinylamine-containing polymers and their use in papermaking
Patent number
9,783,933
Issue date
Oct 10, 2017
Solenis Technologies, L.P.
Sachin Borkar
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Process to improve performance of wet-strength resins through base...
Patent number
9,719,212
Issue date
Aug 1, 2017
Solenis Technologies, L.P.
Mark T Crisp
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Dispersible articles and methods of making the same
Patent number
9,121,137
Issue date
Sep 1, 2015
Sellars Absorbent Materials, Inc.
Helen Viazmensky
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Modified vinylamine-containing polymers as additives in papermaking
Patent number
8,604,134
Issue date
Dec 10, 2013
Hercules Incorporated
Qu-Ming Gu
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Quaternary vinylamine-containing polymers as additives in papermaking
Patent number
8,518,215
Issue date
Aug 27, 2013
Hercules Incorporated
Jonathan M. McKay
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Membrane separation process for removing residuals from polyamine-e...
Patent number
8,101,710
Issue date
Jan 24, 2012
Hercules Incorporated
Richard J. Riehle
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Membrane separation process for removing residuals polyamine-epihal...
Patent number
7,932,349
Issue date
Apr 26, 2011
Hercules Incorporated
Richard J. Riehle
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Reduced byproduct high solids polyamine-epihalohydrin compositions
Patent number
7,303,652
Issue date
Dec 4, 2007
Hercules Incorporated
Richard James Riehle
C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information
Patent Grant
Reduced by product polyamine-epihalohydrin resins
Patent number
7,175,740
Issue date
Feb 13, 2007
Hercules Incorporated
Richard James Riehle
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Treatment of resins to lower levels of CPD-producing species and im...
Patent number
7,081,512
Issue date
Jul 25, 2006
Hercules Incorporated
Richard J. Riehle
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Reduced byproduct polyamine-epihalohydrin resins
Patent number
6,554,961
Issue date
Apr 29, 2003
Hercules Incorporated
Richard James Riehle
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process to reduce the AOX level of wet strength resins by treatment...
Patent number
6,429,267
Issue date
Aug 6, 2002
Hercules Incorporated
Richard James Riehle
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Alkaline paper surface sizing agents, method of use and surface siz...
Patent number
6,325,893
Issue date
Dec 4, 2001
Hercules Incorporated
Clement L. Brungardt
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Resins of amphoteric aldehyde polymers and use of said resins as te...
Patent number
6,197,919
Issue date
Mar 6, 2001
Hercules Incorporated
Mark T. Crisp
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Alcohol-terminated ketene multimer sizing agents
Patent number
6,175,022
Issue date
Jan 16, 2001
Hercules Incorporated
Clement L. Brungardt
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Alkaline paper surface sizing agents
Patent number
6,048,392
Issue date
Apr 11, 2000
Hercules Incorporated
Clement L. Brungardt
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Method of surface sizing paper comprising surface sizing paper with...
Patent number
5,846,663
Issue date
Dec 8, 1998
Hercules Incorporated
Clement L. Brungardt
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Patents Applications
last 30 patents
Information
Patent Application
PROCESS FOR PREPARING AN AQUEOUS GLYOXALATED POLYACRYLAMIDE COMPOSI...
Publication number
20240360261
Publication date
Oct 31, 2024
Solenis Technologies, L.P.
Daniel F. Varnell
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
ADDITIVE COMPOSITIONS FOR PAPERMAKING
Publication number
20240337070
Publication date
Oct 10, 2024
Solenis Technologies, L.P.
Daniel M. Henn
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
WET LAID PAPER AND PAPERBOARD PRODUCTS WITH HIGH WET STRENGTH AND M...
Publication number
20240218603
Publication date
Jul 4, 2024
FIRST QUALITY TISSUE, LLC
James E. Sealey
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
AQUEOUS GLYOXALATED POLYACRYLAMIDE COMPOSITION
Publication number
20220213308
Publication date
Jul 7, 2022
Solenis Technologies, L.P.
Daniel F. Varnell
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
MODIFIED VINYLAMINE-CONTAINING POLYMERS AND THEIR USE IN PAPERMAKING
Publication number
20160298297
Publication date
Oct 13, 2016
Solenis Technologies, L.P.
Sachin Borkar
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
PROCESS TO IMPROVE PERFORMANCE OF WET-STRENGTH RESINS THROUGH BASE...
Publication number
20160047090
Publication date
Feb 18, 2016
SOLENIS TECHNOLOGIES, L.P.
Mark T. Crisp
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
DISPERSIBLE ARTICLES AND METHODS OF MAKING THE SAME
Publication number
20140311696
Publication date
Oct 23, 2014
Sellars Absorbent Materials, Inc.
Helen Viazmensky
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
MEMBRANE SEPARATION PROCESS FOR REMOVING RESIDUALS FROM POLYAMINE-E...
Publication number
20110263814
Publication date
Oct 27, 2011
HERCULES INCORPORATED
Richard J. Riehle
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Process for Enhancing Dry Strength of Paper by Treatment with Vinyl...
Publication number
20110155339
Publication date
Jun 30, 2011
Clement L. Brungardt
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
Quaternary Vinylamine-Containing Polymers as Additives in Papermaking
Publication number
20100193148
Publication date
Aug 5, 2010
Jonathan M. McKay
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Modified vinylamine-containing polymers as additives in papermaking
Publication number
20090043051
Publication date
Feb 12, 2009
Qu-Ming Gu
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
ADHESIVE FORMULATIONS CONTAINING UREA ADDITIVES, METHODS OF FORMING...
Publication number
20080292886
Publication date
Nov 27, 2008
Hercules Inc.
Anthony J. Allen
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
MEMBRANE SEPARATION PROCESS FOR REMOVING RESIDUALS FROM POLYAMINE-E...
Publication number
20080066881
Publication date
Mar 20, 2008
Hercules Inc.
Richard J. Riehle
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Reduced byproduct polyamine-epihalohydrin resins
Publication number
20070137821
Publication date
Jun 21, 2007
Richard James Riehle
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Reduced by product polyamine-epihalohydrin resins
Publication number
20050006042
Publication date
Jan 13, 2005
Richard James Riehle
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Treatment of resins to lower levels of CPD-producing species and im...
Publication number
20040266984
Publication date
Dec 30, 2004
Richard J. Riehle
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Reduced by product polyamine-epihalohydrin resins
Publication number
20030205345
Publication date
Nov 6, 2003
Richard James Riehle
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Reduced byproduct high solids polyamine-epihalohydrin compositions
Publication number
20030070783
Publication date
Apr 17, 2003
Richard James Riehle
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Reduced byproduct high solids polyamine-epihalohydrin compositions
Publication number
20030000667
Publication date
Jan 2, 2003
Richard James Riehle
C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information
Patent Application
Reduced molecular weight galactomannans oxidized by galactose oxidase
Publication number
20020076769
Publication date
Jun 20, 2002
Richard Brady
C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...