RH

René Hund

SS S.P.C.M. Sa: 17 patents #2 of 84Top 3%
SG Snf Group: 5 patents #4 of 33Top 15%
SS Snf Sa: 2 patents #2 of 18Top 15%
SS Snf S.A.S.: 1 patents #6 of 17Top 40%
Overall (All Time): #157,049 of 4,157,543Top 4%
25
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
12195920 Process for manufacturing paper or cardboard Cyril Barriere, Rémi Olivier 2025-01-14
12043676 Method for producing anionic polymers and use as resistance agents in a paper-making method Cyril Barriere, Rémi Olivier 2024-07-23
11781271 Increasing paper strength by surface treatment Gatien Faucher, Damien Fougerouse 2023-10-10
11629211 Additive based on water-soluble polymers and uses thereof Gatien Faucher, Damien Fougerouse 2023-04-18
11608597 Complex of polymers, preparation and use Gatien Faucher, Damien Fougerouse 2023-03-21
10689809 Process for manufacturing paper and board Gatien Faucher, Damien Fougerouse 2020-06-23
10132039 Process for manufacturing paper using a base copolymer that has reacted with an aldehyde as a dry strength, retention, drainage and runnability aid Cyril Barriere 2018-11-20
9725532 Aqueous solution of cationic copolymers derived from acrylamide, preparation method and use Christophe Auriant, Laurent Mialon 2017-08-08
9546246 Complexes of water-soluble polymers, and uses thereof Gatien Faucher, Damien Fougerousse 2017-01-17
9506200 Process for manufacturing paper using a base copolymer that has reacted with an aldehyde as a dry strength, retention, drainage and runnability aid Cyril Barriere 2016-11-29
9303359 Method for manufacturing paper using a cationic polymer obtained by hofmann degradation Christophe Auriant 2016-04-05
8999112 Process for manufacturing paper and board having improved retention and drainage properties Gatien Faucher 2015-04-07
8734616 Acrylamide-derived cationic copolymers, and uses thereof Christophe Auriant 2014-05-27
8623966 Process for preparing acrylamide copolymers by Hofmann degradation reaction Christophe Auriant 2014-01-07
8597467 Water-soluble post branched cationic acrylamide polymers and use thereof Christian Jehn-Rendu, Muttalif Duong 2013-12-03
8343311 Method for producing paper and cardboard Gatien Faucher 2013-01-01
8242215 Cationic copolymers derived from acrylamides and use thereof Christian Jehn-Rendu 2012-08-14
7972478 Method of producing high dry strength paper and cardboard and paper and cardboard thus obtained Christian Jehn-Rendu, Fabrice Moretton 2011-07-05
7883603 Method for making paper and cardboard with high dry strength and resulting papers and cardboards Christian Jehn-Rendu, Fabrice Moretton 2011-02-08
7815771 Process for the manufacture of paper and board Gatien Faucher, Christian Jehn-Rendu 2010-10-19
6797785 Methods for synthesizing polyvinyl amine (PVA) type flocculating and coagulating agents, novel agents thus obtained, uses thereof and improved paper types thus obtained Christian Jehn-Rendu 2004-09-28
6579417 Flocculation method for making a paper sheet Christian Jehn-Rendu 2003-06-17
5902455 Process for improving retention in a process for the manufacture of paper, board and the like, and retaining agent for the application of this process Christian Jehn-Rendu 1999-05-11
5750614 Process for preparing stable emulsions of polyelectrolytes of high molecular weight as reverse emulsion Sebastien Georges 1998-05-12
5393381 Process for the manufacture of a paper or a cardboard having improved retention Eric Philibert 1995-02-28