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. 01, 2020
Filed:
Jan. 16, 2018
Evonik Operations Gmbh, Essen, DE;
Kai-Steffen Krannig, Dortmund, DE;
Jürgen Herwig, Hünxe, DE;
Andreas Berlineanu, Marl, DE;
Miriam Ammer, Recklinghausen, DE;
Philip Kemper, Ahaus, DE;
Alexander Pschantka, Coesfeld, DE;
Yvonne Groß-Onnebrink, Raesfeld, DE;
Gudula Beuers, Dülmen, DE;
Margit Bukohl, Marl, DE;
Kirsten Luce, Herne, DE;
Siegfried Jittenmeier, Marl, DE;
Evonik Operations GmbH, Essen, DE;
Abstract
The invention relates to polybutadiene, which contains the monomer units derived from 1,3-butadiene having a vinyl double bond in a proportion of 25 to 75 mole percent, having a trans-double bond in a proportion of 0 to 10 mole percent and a cis-double bond in a proportion of 25 to 75 mole percent, wherein the totality of the monomer units (A), (B) and (C) is supplemented to 100 mole percent, and which is characterized in that it has a number-average mole mass of 1,000 to 3,000 g/mole. The invention further relates to a method for producing polybutadienes, the use of the polybutadiene according to the invention and compositions containing polybutadiene according to the invention.