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:
Jun. 27, 1978
Filed:
Jan. 10, 1977
Applicant:
Inventor:
Harry M Culbertson, Belchertown, MA (US);
Assignee:
Monsanto Company, St. Louis, MO (US);
Primary Examiner:
Int. Cl.
CPC ...
C08G / ;
U.S. Cl.
CPC ...
260 / ; 260 / ;
Abstract
The invention relates to an improved process for preparing very high ortho novolac resins, said process including reacting phenol and formaldehyde in the presence of a divalent electropositive metal oxide, hydroxide or salt and a strong acid or salts of said metals wherein the improvement comprises conducting said reaction under anhydrous conditions with particular divalent electropositive metal ion combinations.
Culbertson, Harry. (1978). Process for preparing high ortho novolac resins (U.S. Patent No. 4097463). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4097463
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile