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:
Feb. 28, 1989
Filed:
Feb. 14, 1985
Applicant:
Inventor:
Robert H Heistand, II, E. Walpole, MA (US);
Assignee:
The Dow Chemical Company, Midland, MI (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C01G / ;
U.S. Cl.
CPC ...
423622 ;
Abstract
Prepare highly pure zinc oxide spherodial particles of narrow size distribution and having a mean particle diameter of from about 0.1 to about 0.3 .mu.m by hydrolyzing hydrocarbyl zinc hydrocarboxides, such as ethyl zinc t-butoxide.
Quick Actions:
Heistand, II, Robert. (1989). Narrow size distribution zinc oxide (U.S. Patent No. 4808398). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4808398
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