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:
May. 17, 1988
Filed:
Apr. 27, 1987
Applicant:
Inventor:
Arthur R Prunier, Jr, Midland, MI (US);
Assignee:
The Dow Chemical Company, Midland, MI (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C04B / ;
U.S. Cl.
CPC ...
501119 ; 501153 ; 501154 ; 501108 ;
Abstract
Synthetic raw materials are used to prepare a sintered refractory body consisting essentially of doped cordierite having from about 47.5 to about 56 weight percent SiO.sub.2, from about 31 to about 40 weight percent Al.sub.2 O.sub.3, from about 12 to about 19 weight percent MgO, from about 0.15 to about 1 weight percent CaO, from zero to 250 ppm Na.sub.2 O, and from zero to about 150 ppm K.sub.2 O, the body having a flexural strength of at least about 20,000 psi (about 140 MPa).
Prunier, Jr, Arthur. (1988). Strengthened cordierite having minor amounts of calcia (U.S. Patent No. 4745092). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4745092
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile