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Inventor

HANN BRET F

US13 patents
⚠️ This page may combine multiple inventors who share the name “HANN BRET F”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

HOECHST CELANESE CORP

7 patents
US5347051ASep 13, 1994

Processes for preparing amines

HOECHST CELANESE CORP6 citations73
US5424387AJun 13, 1995

Di-amino compounds and processes for preparing the same

HOECHST CELANESE CORP4 citations62
US5399766AMar 21, 1995

Amines and processes for preparing the same

HOECHST CELANESE CORP2 citations62
US5346983ASep 13, 1994

Substituted phenyl compounds and processes for preparing the same

HOECHST CELANESE CORP3 citations62
US5312990AMay 17, 1994

Di-amino compounds

HOECHST CELANESE CORP3 citations62
US5300691AApr 5, 1994

Substituted benzyl amines

HOECHST CELANESE CORP3 citations62
US5347049ASep 13, 1994

Processes for preparing diamino compounds

HOECHST CELANESE CORP1 citations51

VICARI RICHARD

3 patents
US8728593B2May 20, 2014

Polyvinyl alcohol films with improved resistance to oxidizing chemicals

VICARI RICHARD49 citations96
US9142835B2Sep 22, 2015

Separator film for batteries including oxidation resistant vinyl alcohol copolymer

VICARI RICHARD5 citations72
US10316124B2Jun 11, 2019

Cold water soluble polyvinyl alcohol/alkyl acrylate copolymers and films thereof

VICARI RICHARD0 citations51

CELANESE INT CORP

2 patents
US7524924B2Apr 28, 2009

Method to purify poly(vinyl alcohol)

CELANESE INT CORP2 citations61
US7388069B2Jun 17, 2008

Method to purify poly(vinyl alcohol)

CELANESE INT CORP3 citations61

SEKISUI SPECIALTY CHEMICALS AM

1 patent
US7745517B2Jun 29, 2010

Polyvinyl alcohol films with improved resistance to oxidizing chemicals

SEKISUI SPECIALTY CHEMICALS AM22 citations92