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:
Oct. 10, 1995
Filed:
Jan. 11, 1995
Roland P Scharrer, Pelham, NY (US);
Kerry L Thompson, Panama City, FL (US);
Josie M Rosen, Highland Mills, NY (US);
Arizona Chemical Company, Panama City, FL (US);
Abstract
A process for preparing a terpene-phenol resin with a softening point in the range of from about 80.degree. C. to about 110.degree. C. The method comprises preparing a reaction mixture including a terpene, phenol and a complex of boron trifluoride. The boron trifluoride complex is selected from the group consisting of a ether complex of boron trifluoride, wherein the ether has an molecular weight in the range of from about 46 to about 140, and an organic acid complex of boron trifluoride, wherein the organic acid has a molecular weight in the range of from about 46 to about 300. The reaction mixture is maintained at a temperature in the range of from about 50.degree. C. to about 90.degree. C. for a period of time sufficient to produce the .alpha.-pinene-phenol resin which is then recovered from the reaction mixture. The terpene may be selected from the group consisting of .alpha.-pinene, .beta.-pinene, .delta.-3-carene, dipentene, limonene and mixtures of those terpenes.