P

Inventor

BUETTNER WERNER

DE6 patents
⚠️ This page may combine multiple inventors who share the name “BUETTNER WERNER”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

MERCK PATENT GMBH

4 patents
US6270055B1Aug 7, 2001

Hydraulic shut-off valve

MERCK PATENT GMBH21 citations90
US6793905B1Sep 21, 2004

Method for producing high-purity hydrochloric acid

MERCK PATENT GMBH13 citations79
US6740302B2May 25, 2004

Method for producing high-purity sulphuric acid

MERCK PATENT GMBH7 citations65
US4335822AJun 22, 1982

Transport and emptying container

MERCK PATENT GMBH6 citations60

AKAD WISSENSCHAFTEN DDR

1 patent
US4714768ADec 22, 1987

N-(chlorocarbonyloxy)-5-norbornene-2,3-dicarboximide, process for its production and its use

AKAD WISSENSCHAFTEN DDR19 citations74

BASF AG

1 patent
US7108737B2Sep 19, 2006

Method for the purification of corrosive gases

BASF AG5 citations55