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:
Jul. 12, 2022
Filed:
Dec. 19, 2018
Applicant:
Bp Oil International Limited, Middlesex, GB;
Inventor:
Sorin Vasile Filip, Reading, GB;
Assignee:
BP OIL INTERNATIONAL LIMITED, London, GB;
Primary Examiner:
Int. Cl.
CPC ...
C07D 267/14 (2006.01); C10L 1/233 (2006.01); C10L 10/10 (2006.01);
U.S. Cl.
CPC ...
C07D 267/14 (2013.01); C10L 1/233 (2013.01); C10L 10/10 (2013.01); C10L 2270/023 (2013.01);
Abstract
A method is provided for preparing a fuel additive having the formula: (1) The method comprises carrying out the following reactions: (i) addition of an alkylating agent b to starting material a: (a) to form an intermediate c; and (ii) ring closing intermediate c to form fuel additive e.