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:
Feb. 04, 2025
Filed:
Jul. 15, 2021
Sabic Global Technologies B.v., Bergen op Zoom, NL;
Anthoni Wouter Zijl Van, Eindhoven, NL;
Nicolas Goyheneix, Reimst, BE;
Lara Maria Galan-Sanchez, Eindhoven, NL;
Christoph Roosen, Würselen, DE;
Johan Pastwa, Elsloo, NL;
Safa Farajzadeh Bibalan, Eindhoven, NL;
SABIC GLOBAL TECHNOLOGIES B.V., Bergen op Zoom, NL;
Abstract
Process for the production of polycarbonates comprising: providing a hydrocarbon stream A obtained by hydrotreatment of a pyrolysis oil produced from a waste plastics feedstock; supplying a feed C comprising a fraction of the hydrocarbon stream A to a thermal cracker furnace comprising cracking coil(s); thermally cracking in the presence of steam to obtain a cracked hydrocarbon stream D; separating a product stream E comprising propylene and a product stream F comprising benzene from the cracked hydrocarbon stream D; performing a reaction and one or more separation step to obtain a product stream G comprising phenol; supplying the product stream G and acetone to a reactor and performing a reaction and one or more separation step to obtain a product stream H comprising bisphenol-A; and supplying the product stream H with phosgene or diphenyl carbonate to a reactor and performing a polymerisation reaction to obtain a polycarbonate.