The Law Reports (Chancery Division)
24 ChD 156
[CHANCERY DIVISION]
BADISCHE ANILIN UND SODA FABRIK
v.
LEVINSTEIN.
[1881 B. 5077.]
1883 March 5–
20;
June 27.
June 27.
PEARSON, J.
Patent
— Chemical Process
— Invalidity and Infringement
— Scientific Expert to advise the Court
— Secret Process
— Known Chemical Equivalents
— Production of similar Result.