P

Inventor

VITZTHUM OTTO

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

STUDIENGESELLSCHAFT KOHLE MBH

4 patents
US4153063AMay 8, 1979

Process for the extraction of nicotine from tobacco

STUDIENGESELLSCHAFT KOHLE MBH208 citations96
US4123559AOct 31, 1978

Process for the production of spice extracts

STUDIENGESELLSCHAFT KOHLE MBH40 citations92
US4104409AAug 1, 1978

Production of hop extracts

STUDIENGESELLSCHAFT KOHLE MBH46 citations91
US4328255AMay 4, 1982

Method of extracting coffee oil containing aroma constituents from roasted coffee

STUDIENGESELLSCHAFT KOHLE MBH24 citations79

HAG AG

2 patents
US4134535AJan 16, 1979

Pressure relief valve for packing containers

HAG AG162 citations93
US4411923AOct 25, 1983

Process for the extraction of caffeine from super-critical solutions

HAG AG24 citations81

VITZTHUM OTTO

1 patent
US4167589ASep 11, 1979

Method for the manufacture of caffeine free black tea

VITZTHUM OTTO33 citations88