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Patents Grants
last 30 patents
Information
Patent Grant
Method for producing anionic polymers and use as resistance agents...
Patent number
12,043,676
Issue date
Jul 23, 2024
S.P.C.M. SA
René Hund
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Increasing paper strength by surface treatment
Patent number
11,781,271
Issue date
Oct 10, 2023
S.P.C.M. SA
Gatien Faucher
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Complex of polymers, preparation and use
Patent number
11,608,597
Issue date
Mar 21, 2023
S.P.C.M. SA
Gatien Faucher
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Process for manufacturing paper and board
Patent number
10,689,809
Issue date
Jun 23, 2020
S.P.C.M. SA
Gatien Faucher
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Process for manufacturing paper using a base copolymer that has rea...
Patent number
10,132,039
Issue date
Nov 20, 2018
S.P.C.M. SA
René Hund
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Aqueous solution of cationic copolymers derived from acrylamide, pr...
Patent number
9,725,532
Issue date
Aug 8, 2017
S.P.C.M. SA
René Hund
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Complexes of water-soluble polymers, and uses thereof
Patent number
9,546,246
Issue date
Jan 17, 2017
S.P.C.M. SA
René Hund
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Process for manufacturing paper using a base copolymer that has rea...
Patent number
9,506,200
Issue date
Nov 29, 2016
S.P.C.M. SA
René Hund
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Method for manufacturing paper using a cationic polymer obtained by...
Patent number
9,303,359
Issue date
Apr 5, 2016
S.P.C.M. SA
René Hund
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Process for manufacturing paper and board having improved retention...
Patent number
8,999,112
Issue date
Apr 7, 2015
S.P.C.M. SA
Gatien Faucher
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Acrylamide-derived cationic copolymers, and uses thereof
Patent number
8,734,616
Issue date
May 27, 2014
S.P.C.M. SA
René Hund
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Process for preparing acrylamide copolymers by Hofmann degradation...
Patent number
8,623,966
Issue date
Jan 7, 2014
S.P.C.M. SA
René Hund
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Water-soluble post branched cationic acrylamide polymers and use th...
Patent number
8,597,467
Issue date
Dec 3, 2013
S.P.C.M. SA
Christian Jehn-Rendu
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Method for producing paper and cardboard
Patent number
8,343,311
Issue date
Jan 1, 2013
S.P.C.M. SA
Rene Hund
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Cationic copolymers derived from acrylamides and use thereof
Patent number
8,242,215
Issue date
Aug 14, 2012
S.P.C.M. SA
René Hund
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Method of producing high dry strength paper and cardboard and paper...
Patent number
7,972,478
Issue date
Jul 5, 2011
S.P.C.M. SA
René Hund
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Method for making paper and cardboard with high dry strength and re...
Patent number
7,883,603
Issue date
Feb 8, 2011
S.P.C.M. SA
Rene Hund
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Process for the manufacture of paper and board
Patent number
7,815,771
Issue date
Oct 19, 2010
SNF S.A.S.
Gatien Faucher
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Methods for synthesizing polyvinyl amine (PVA) type flocculating an...
Patent number
6,797,785
Issue date
Sep 28, 2004
SNF S.A.
René Hund
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Flocculation method for making a paper sheet
Patent number
6,579,417
Issue date
Jun 17, 2003
SNF S.A.
Rene Hund
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Process for improving retention in a process for the manufacture of...
Patent number
5,902,455
Issue date
May 11, 1999
S.N.F.
Rene Hund
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Process for preparing stable emulsions of polyelectrolytes of high...
Patent number
5,750,614
Issue date
May 12, 1998
S.N.F.
Rene Hund
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for the manufacture of a paper or a cardboard having improv...
Patent number
5,393,381
Issue date
Feb 28, 1995
S N F
Rene Hund
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Patents Applications
last 30 patents
Information
Patent Application
NOVEL WATER-SOLUBLE POLYMER COMPLEXES IN THE FORM OF AN INVERSE EMU...
Publication number
20230243103
Publication date
Aug 3, 2023
S.P.C.M. SA
René HUND
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
PROCESS FOR MANUFACTURING PAPER OR CARDBOARD
Publication number
20220356650
Publication date
Nov 10, 2022
S.P.C.M. SA
Cyril BARRIERE
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
INCREASING PAPER STRENGTH BY SURFACE TREATMENT
Publication number
20220162803
Publication date
May 26, 2022
S.P.C.M. SA
Gatien FAUCHER
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
COMPLEX OF POLYMERS, PREPARATION AND USE
Publication number
20210140111
Publication date
May 13, 2021
S.P.C.M. SA
Gatien FAUCHER
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
METHOD FOR PRODUCING ANIONIC POLYMERS AND USE AS RESISTANCE AGENTS...
Publication number
20210102008
Publication date
Apr 8, 2021
S.P.C.M. SA
René HUND
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
NOVEL ADDITIVE BASED ON WATER-SOLUBLE POLYMERS AND USES THEREOF
Publication number
20200325263
Publication date
Oct 15, 2020
S.P.C.M. SA
René HUND
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
PROCESS FOR MANUFACTURING PAPER AND BOARD
Publication number
20190048530
Publication date
Feb 14, 2019
S.P.C.M. SA
Gatien FAUCHER
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
NOVEL PROCESS FOR MANUFACTURING PAPER USING A BASE COPOLYMER THAT H...
Publication number
20170037575
Publication date
Feb 9, 2017
S.P.C.M. SA
René Hund
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
AQUEOUS SOLUTION OF CATIONIC COPOLYMERS DERIVED FROM ACRYLAMIDE, PR...
Publication number
20160311940
Publication date
Oct 27, 2016
S.P.C.M. SA
René HUND
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
METHOD FOR MANUFACTURING PAPER USING A CATIONIC POLYMER OBTAINED BY...
Publication number
20150176208
Publication date
Jun 25, 2015
S.P.C.M. SA
René Hund
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
NOVEL PROCESS FOR MANUFACTURING PAPER USING A BASE COPOLYMER THAT H...
Publication number
20150136348
Publication date
May 21, 2015
S.P.C.M. SA
René Hund
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
NOVEL COMPLEXES OF WATER-SOLUBLE POLYMERS, AND USES THEREOF
Publication number
20150053361
Publication date
Feb 26, 2015
S.P.C.M. SA
René HUND
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
Process For Manufacturing Paper And Board Having Improved Retention...
Publication number
20130139986
Publication date
Jun 6, 2013
Gatien Faucher
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
ACRYLAMIDE-DERIVED CATIONIC COPOLYMERS, AND USES THEREOF
Publication number
20120132382
Publication date
May 31, 2012
S.P.C.M. SA
René Hund
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
PROCESS FOR PREPARING ACRYLAMIDE COPOLYMERS BY HOFMANN DEGRADATION...
Publication number
20110263796
Publication date
Oct 27, 2011
S.P.C.M. SA
René Hund
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
CATIONIC COPOLYMERS DERIVED FROM ACRYLAMIDES AND USE THEREOF
Publication number
20100326614
Publication date
Dec 30, 2010
SNF SAS
René Hund
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
WATER-SOLUBLE POST BRANCHED CATIONIC ACRYLAMIDE POLYMERS AND USE TH...
Publication number
20100186914
Publication date
Jul 29, 2010
SNF SAS
Christian Jehn-Rendu
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
PAPER AND PAPERBOARD PRODUCTION PROCESS AND CORRESPONDING NOVEL RET...
Publication number
20090283232
Publication date
Nov 19, 2009
SNF SA
Rene Hund
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
METHOD FOR PRODUCING PAPER AND CARDBOARD
Publication number
20090277597
Publication date
Nov 12, 2009
SNF SAS
Rene Hund
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
PROCESS FOR THE MANUFACTURE OF PAPER AND BOARD, CORRESPONDING NOVEL...
Publication number
20090050282
Publication date
Feb 26, 2009
SNF SAS
Gatien Faucher
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
Method of Producing High Dry Strength Paper and Cardboard and Paper...
Publication number
20080196851
Publication date
Aug 21, 2008
SNF SAS
Rene Hund
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Method For Making Paper and Cardboard With High Dry Strength and Re...
Publication number
20080156448
Publication date
Jul 3, 2008
Rene Hund
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
Paper and paperboard production process and corresponding novel ret...
Publication number
20060243407
Publication date
Nov 2, 2006
SNF SA
Rene Hund
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Paper and paperboard production process and corresponding novel ret...
Publication number
20050150622
Publication date
Jul 14, 2005
SNF SA
Rene Hund
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
Paper and paperboard production process and corresponding novel ret...
Publication number
20040040683
Publication date
Mar 4, 2004
SNF SA
Rene Hund
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Paper and paperboard production process and corresponding novel ret...
Publication number
20030150575
Publication date
Aug 14, 2003
SNF SA
Rene Hund
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...