Materials for Refractories and Ceramics: A Study of Patents and Patent Applications

'!he present survey is the result of a ccrnprehensive study of patents and patent applications suhnitted in France, the Federal Republic of Gennany, the United Kingdan and Europe (Munich), p..!blished since 1976 and canprising !lOre than 750 publications, classified in accordance with the INl'ERNATICNAL PATENT CLASSIFI TION, classes C 01 B; sub-classes 21, 33, 35; C 01 G, sub- class 25; C 04 B, sub-class 35. '!he Ill3.jor part of the patents was granted to applicants fran the United Kingdan...