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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.:

US 11186654 B1

PDFFull Text
Date of Patent:
Nov. 30, 2021

Filed:

Nov. 09, 2017

Methods for controlling start up conditions in polymerization processes

Applicant:

Exxonmobil Chemical Patents Inc., Baytown, TX (US);

Inventors:

Bruce J. Savatsky, Kingwood, TX (US);

Richard E. Pequeno, Baytown, TX (US);

Michael E. Muhle, Kingwood, TX (US);

Robert O. Hagerty, Wyckoff, NJ (US);

Richard B. Pannell, Liberty, TX (US);

Eric J. Markel, Kingwood, TX (US);

Mark W. Blood, Hurrican, WV (US);

Mark B. Davis, Lake Jackson, TX (US);

Assignee:

ExxonMobil Chemical Patents Inc., Baytown, TX (US);

Attorney:

ExxonMobil Chemical Patents Inc.-Law Department

Primary Examiner:

Richard A Huhn

Int. Cl.
CPC ...
C08F 2/34 (2006.01); C08F 210/02 (2006.01); C08F 210/08 (2006.01); C08F 210/14 (2006.01);
U.S. Cl.
CPC ...
C08F 2/34 (2013.01); C08F 210/02 (2013.01); C08F 210/08 (2013.01); C08F 210/14 (2013.01);
Abstract

A method for controlling the start up conditions in a gas phase polymerization process is provided. An inventory can be calculated for each monomer, comonomer, and hydrogen sufficient to produce a polyethylene polymer having desired properties, such as, a certain melt index and/or density.

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Savatsky, Bruce. (2021). Methods for controlling start up conditions in polymerization processes (U.S. Patent No. 11186654). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11186654

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