SNF SA

Patent Applications and Registrations

Patent applications and USPTO patent grants for SNF SA.The latest application filed is for "paper and paperboard production process and corresponding novel retention and drainage aids, and papers and paperboards thus obtained".

Company Profile

1.7.5

SNF SA - Andrezieux-Boutheon unknown UNKNOWN
SNF SA - Saint Etienne Cedex 01 FR
SNF SA -
SNF SA - FR FR
SNF S.A. - Saint-Eitenne FR
SNF SA - Andreziux Cedex FR
SNF S.A. - Saint-Etienne FR
SNF S.A. - Saint-Etienne Cedex FR

*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
Chemically enhanced oil recovery method using viscosity-increasing polymeric compounds Grant 10,760,399 - Hendou , et al. Sep	2020-09-01
Paper And Paperboard Production Process And Corresponding Novel Retention And Drainage Aids, And Papers And Paperboards Thus Obtained App 20090283232 - Hund; Rene' ; et al.	2009-11-19
Paper and paperboard production process and corresponding novel retention and drainage aids, and papers and paperboards thus obtained App 20060243407 - Hund; Rene ; et al.	2006-11-02
Synthesis of N-vinylformamide Grant 7,026,511 - Beckman , et al. April 11, 2	2006-04-11
Use of superabsorbent polymers for treating raw skins, corresponding compositions and methods and resulting treated skins Grant 6,964,745 - Brosse , et al. November 15, 2	2005-11-15
Synthesis of N-vinyl formamide Grant 6,965,052 - Beckman , et al. November 15, 2	2005-11-15
Paper and paperboard production process and corresponding novel retention aids, and papers and paperboards thus obtained App 20050150622 - Hund, Rene ; et al.	2005-07-14
Methods for synthesizing polyvinyl amine (PVA) type flocculating and coagulating agents, novel agents thus obtained, uses thereof and improved paper types thus obtained Grant 6,797,785 - Hund , et al. September 28, 2	2004-09-28
Paper and paperboard production process and corresponding novel retention and drainage aids, and papers and paperboards thus obtained App 20040040683 - Hund, Rene ; et al.	2004-03-04
Paper and paperboard production process and corresponding novel retention and drainage aids, and papers and paperboards thus obtained App 20030150575 - Hund, Rene ; et al.	2003-08-14
Flocculation method for making a paper sheet Grant 6,579,417 - Hund , et al. June 17, 2	2003-06-17
Surfactant for self-inverting polyacrylmides Grant 5,925,714 - Larson , et al. July 20, 1	1999-07-20

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