The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 05, 1988
Filed:
Nov. 06, 1987
Applicant:
Inventors:
Peter Woditsch, Krefeld, DE;
Werner Kannchen, Duisburg, DE;
Horst Lange, Krefeld, DE;
Ingo Schwirtlich, Krefeld, DE;
Assignee:
Bayer Aktiengesellschaft, Leverkusen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C22C / ;
U.S. Cl.
CPC ...
75233 ; 75234 ; 75235 ; 75244 ; 10628734 ; 156D / ; 249134 ; 249135 ; 266275 ; 501 97 ; 264122 ;
Abstract
A material resistant to high temperature melts of metal and salt which comprises a composite material containing silicon nitride, silicon oxynitride, silicon dioxide and silicon prepared by
Woditsch, Peter. (1988). Materials resistant to metal and salt melts, their production and their (U.S. Patent No. 4755220). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4755220
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile