Patents

Search tools Text Classification Chemistry Measure Numbers Full documents Title Abstract Claims All Any Exact Not Add AND condition These CPCs and their children These exact CPCs Add AND condition
Exact Exact Batch Similar Substructure Substructure (SMARTS) Full documents Claims only Add AND condition
Add AND condition
Application Numbers Publication Numbers Either Add AND condition

Classifications

C07C263/10 Preparation of derivatives of isocyanic acid by reaction of amines with carbonyl halides, e.g. with phosgene
View 2 more classifications

Landscapes

Show more

BE735258A

Belgium


Worldwide applications
1969 JP GB DE NL FR BE ES CH

Application events
1969-06-27
Application filed