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:
Jan. 11, 2011
Filed:
May. 17, 2007
Koji Shiba, Ichihara, JP;
Michinori Suzuki, Ichihara, JP;
Masato Murakami, Ichihara, JP;
Yuji Matsudaira, Ichihara, JP;
Koji Shiba, Ichihara, JP;
Michinori Suzuki, Ichihara, JP;
Masato Murakami, Ichihara, JP;
Yuji Matsudaira, Ichihara, JP;
Ube Industries, Ltd., Ube-shi, JP;
Abstract
A method for producing a polybutadiene, which comprises subjecting 1,3-butadiene to cis-1,4 polymerization, and subsequently subjecting a resultant in the resulting polymerization system to syndiotactic-1,2 polymerization, the method being characterized in that there is added, after the polymerization, a halogen acid or halogen acid salt.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile