BH

Bret F. Hann

HC Hoechst Celanese: 7 patents #89 of 871Top 15%
SA Sekisui Specialty Chemicals America: 4 patents #2 of 28Top 8%
CG Celanese Gmbh: 2 patents #139 of 404Top 35%
📍 San Antonio, TX: #337 of 5,017 inventorsTop 7%
🗺 Texas: #10,587 of 125,132 inventorsTop 9%
Overall (All Time): #348,191 of 4,157,543Top 9%
14
Patents All Time

Issued Patents All Time

Showing 1–14 of 14 patents

Patent #TitleCo-InventorsDate
10316124 Cold water soluble polyvinyl alcohol/alkyl acrylate copolymers and films thereof Richard Vicari 2019-06-11
9142835 Separator film for batteries including oxidation resistant vinyl alcohol copolymer Richard Vicari 2015-09-22
8772220 Chemical delivery product and process for making the same Richard Vicari, Hang Wang 2014-07-08
8728593 Polyvinyl alcohol films with improved resistance to oxidizing chemicals Richard Vicari 2014-05-20
7745517 Polyvinyl alcohol films with improved resistance to oxidizing chemicals Richard Vicari 2010-06-29
7524924 Method to purify poly(vinyl alcohol) 2009-04-28
7388069 Method to purify poly(vinyl alcohol) Richard Vicari, Florin Barsan 2008-06-17
5424387 Di-amino compounds and processes for preparing the same Michael T. Sheehan, James R. Sounik 1995-06-13
5399766 Amines and processes for preparing the same Michael T. Sheehan, James R. Sounik, William W. Wilkison, III 1995-03-21
5346983 Substituted phenyl compounds and processes for preparing the same Michael T. Sheehan, James R. Sounik, William W. Wilkison, III 1994-09-13
5347049 Processes for preparing diamino compounds Michael T. Sheehan, James R. Sounik, William W. Wilkison, III 1994-09-13
5347051 Processes for preparing amines Michael T. Sheehan, James R. Sounik, William W. Wilkison, III 1994-09-13
5312990 Di-amino compounds Michael T. Sheehan, James R. Sounik, William W. Wilkison, III 1994-05-17
5300691 Substituted benzyl amines Michael T. Sheehan, James R. Sounik, William W. Wilkison, III 1994-04-05