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

C03C3/089 Glass compositions containing silica with 40% to 90% silica, by weight containing boron
View 3 more classifications

Landscapes

Show more

CS174225B2

Czechoslovakia


Worldwide applications
1972 GB 1973 IE DE CA ZA NL LU CS DD BE SE FR FI DK IT JP BR AR NO PL

Application CS8690A events
1973-12-14
Application filed