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:
Nov. 24, 2020
Filed:
Mar. 16, 2018
King Fahd University of Petroleum and Minerals, Dhahran, SA;
Othman Charles Sadeq Al Hamouz, Dhahran, SA;
King Fahd University of Petroleum and Minerals, Dhahran, SA;
Abstract
A method for producing a cross-linked polymeric resin, whereby (i) a phenol compound, or an oligomer or polymer thereof, (ii) a diol, or an oligomer or polymer thereof, (iii) an aldehyde, (iv) an acid, and (v) an organic solvent are mixed together to produce a reaction mixture, the reaction mixture is heated at 70-200° C. to produce a precipitate, and the precipitate is washed and dried to form the cross-linked polymeric resin, wherein the phenol compound is of formula I: and wherein the diol is of formula II: wherein R, R, Rand Rare independently H, an optionally substituted alkyl, an optionally substituted cycloalkyl, or an optionally substituted aryl; X is absent, HC═CH, or C≡C; and n=1, 2, 3, 4, 5, or 6.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile