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. 23, 2021
Filed:
Nov. 08, 2017
Ptt Global Chemical Public Company Limited, Bangkok, TH;
Sucheewin Chotchatchawankul, Rayong, TH;
Phonpimon Wongmahasirikun, Rayong, TH;
Sophon Kaeothip, Bangkok, TH;
Khamphee Phomphrai, Rayong, TH;
PTT GLOBAL CHEMICAL PUBLIC COMPANY LIMITED, Bangkok, TH;
Abstract
This present invention relates to a catalyst composition for a production process of δ-lactone from carbon dioxide and 1,3-butadiene that can efficiently catalyze the synthesis reaction of δ-lactone with good selectivity of δ-lactone, wherein said catalyst composition comprising: a) palladium metal complexes as shown in structure (I) [Formula should be inserted here] wherein, R, R, Rand Rindependently represents a group selected from a hydrogen atom, a halogen atom, an alkyl group, an alkoxy group, an amine group, or optionally an alkenyl group, an alkynyl group, a phenyl group, a benzyl group, or a cyclic hydrocarbon group comprising a hetero atom; and b) phosphorus compound selected from a phosphine group having a general formula [Formula should be inserted here], wherein Ris selected from an alkyl group, a cycloalkyl group, or an aryl group.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile