P
PatentIndex
Search
Landscape
Sign in
Inventor
BARTH OTTO
DE
2 patents
Patents
2 patents
US4869824A
Sep 26, 1989
Bubble plate system for biological purification of air and waste water
BAYER AG
15 citations
65
US4163752A
Aug 7, 1979
Process for the preparation of aminonaphthalenesulphonic acids
BAYER AG
2 citations
57