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. 03, 2012
Filed:
Feb. 21, 2008
Robert O. Hagerty, La Porte, TX (US);
Kevin B. Stavens, Houston, TX (US);
Randall B. Laird, Pasadena, TX (US);
Zerong Lin, Kingwood, TX (US);
Michael E. Muhle, Kingwood, TX (US);
Agapios K. Agapiou, Humble, TX (US);
David M. Glowczwski, Baytown, TX (US);
Fathi D. Hussein, Cross Lanes, WV (US);
Gary D. Mohr, Houston, TX (US);
Ted A. Powell, La Porte, TX (US);
Michael E. Sieloff, Houston, TX (US);
Edward F. Smith, Kingwood, TX (US);
Keith W. Trapp, Baton Rouge, LA (US);
Robert O. Hagerty, La Porte, TX (US);
Kevin B. Stavens, Houston, TX (US);
Randall B. Laird, Pasadena, TX (US);
Zerong Lin, Kingwood, TX (US);
Michael E. Muhle, Kingwood, TX (US);
Agapios K. Agapiou, Humble, TX (US);
David M. Glowczwski, Baytown, TX (US);
Fathi D. Hussein, Cross Lanes, WV (US);
Gary D. Mohr, Houston, TX (US);
Ted A. Powell, La Porte, TX (US);
Michael E. Sieloff, Houston, TX (US);
Edward F. Smith, Kingwood, TX (US);
Keith W. Trapp, Baton Rouge, LA (US);
Univation Technologies, LLC, Houston, TX (US);
Abstract
A method for treating at least one interior surface (for example, a bed wall) of a fluidized bed polymerization reactor system, including by applying a solution catalyst (preferably at least substantially uniformly and in liquid form) to each surface, and optionally (where a catalyst component of the solution catalyst comprises at least one chromium containing compound) oxidizing at least some of the applied chromium containing compound in a controlled manner.