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. 29, 2013
Filed:
Dec. 22, 2009
Yoichi Ozawa, Tokyo, JP;
H. Jerrold Miller, Savannah, GA (US);
Koji Masaki, Hagashimurayama, JP;
Koichi Morita, Higashiyamato, JP;
Tatsuo Fujimaki, Higashimurayama, JP;
Tetsuya Omura, Kodaira, JP;
Takuo Sone, Tokyo, JP;
Iwakazu Hattori, Tokyo, JP;
Yoichi Ozawa, Tokyo, JP;
H. Jerrold Miller, Savannah, GA (US);
Koji Masaki, Hagashimurayama, JP;
Koichi Morita, Higashiyamato, JP;
Tatsuo Fujimaki, Higashimurayama, JP;
Tetsuya Omura, Kodaira, JP;
Takuo Sone, Tokyo, JP;
Iwakazu Hattori, Tokyo, JP;
Other;
Abstract
A method for preparing a functionalized polymer comprising the steps of preparing a polymer by polymerizing conjugated diene monomer with a lanthanide-based catalyst, wherein the lanthanide-based catalyst comprises (a) a lanthanide compound, (b) an alkylating agent, and (c) a source of halogen, and reacting the pseudo-living polymer with at least one amide-containing functionalizing agent.