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:
Dec. 03, 2024
Filed:
Oct. 29, 2019
Applicant:
Sabic Global Technologies B.v., Bergen Op Zoom, NL;
Inventors:
Jacobus Christinus Josephus Franciscus Tacx, Geleen, NL;
Diego Mauricio Castaneda Zuniga, Geleen, NL;
Peter Neuteboom, Geleen, NL;
Assignee:
SABIC GLOBAL TECHNOLOGIES B.V., Bergen Op Zoom, NL;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F 210/02 (2006.01);
U.S. Cl.
CPC ...
C08F 210/02 (2013.01); C08F 2400/04 (2021.01);
Abstract
The invention relates to a process for the preparation of low density polyethylene (LDPE) wherein the polymerisation takes place in a tubular reactor at peak temperatures ranging from 180° C. to 350° C. and at pressures ranging from 150 to 350 MPa and wherein the total effective length of the polymerisation reactor divided by the number of reaction zones is in the range from 230 to 350 m.