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. 20, 2021
Filed:
Aug. 01, 2018
Petroliam Nasional Berhad (Petronas), Kuala Lumpur, MY;
Kenneth Seddon, Antrim, GB;
Geetha Srinivasan, Antrim, GB;
Mohammad Syamzari Rafeen, Kuala Lumpur, MY;
Kuah Yong Cheun, Kuala Lumpur, MY;
Amiruddin Hassan, Kuala Lumpur, MY;
Adi Aizat Razali, Kuala Lumpur, MY;
Sharizal Bin Mohd Azam Shah Wong, Kuala Lumpur, MY;
Petroliam Nasional Berhad (Petronas), Kuala Lumpur, MY;
Abstract
A process for preparing a copper sulfide of the formula CuS, wherein the process comprises the following steps: (i) reacting an aqueous solution of a copper salt with a molar excess of a sulfiding agent so as to precipitate copper sulfide from the solution; (ii) isolating the copper sulfide precipitate from the reaction mixture; and (iii) drying the copper sulfide precipitate at a temperature of less than 100° C., wherein x and y are integer or non-integer values.