P

Inventor

MICHALCZAK HANS-WERNER

DE9 patents
⚠️ This page may combine multiple inventors who share the name “MICHALCZAK HANS-WERNER”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

DEGUSSA

6 patents
US7557242B2Jul 7, 2009

Multistage continuous preparation of cycloaliphatic disocyanates

DEGUSSA2 citations62
US7420080B2Sep 2, 2008

Multistage continuous preparation of cycloaliphatic diisocyanates

DEGUSSA2 citations62
US7371891B2May 13, 2008

Multistage continuous preparation of cycloaliphatic diisocyanates

DEGUSSA2 citations62
US7339074B2Mar 4, 2008

Multistage continuous preparation of cycloaliphatic diisocyanates

DEGUSSA3 citations61
US7329776B2Feb 12, 2008

Multistage continuous preparation of cycloaliphatic diisocyanates

DEGUSSA5 citations61
US7307186B2Dec 11, 2007

Multistage continuous preparation of cycloaliphatic diisocyanates

DEGUSSA4 citations61

HUELS CHEMISCHE WERKE AG

2 patents
US5087739AFeb 11, 1992

Circulation process for the production of aliphatic and cycloaliphatic diisocyanates

HUELS CHEMISCHE WERKE AG165 citations97
US5360931ANov 1, 1994

Continuous multi-stage process for the preparation of (cyclo) aliphatic diisocyanates

HUELS CHEMISCHE WERKE AG48 citations90

MICHALCZAK HANS-WERNER

1 patent
US8816125B2Aug 26, 2014

Process for the continuous preparation of (cyclo)aliphatic diisocyanates

MICHALCZAK HANS-WERNER4 citations67