Main Chang — 46 Patents at ExxonMobil

Main Chang has been granted 46 US patents while listed as an inventor at ExxonMobil. The first was granted in 1990 and the most recent in December 2018. Main Chang ranks #62,001 of 4,157,543 US inventors in our database (top 1.5%). Patent records list Main Chang in Houston, TX, US.

Issued Patents All Time

Showing 1–25 of 46 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
10144790	Internal donor structure for olefin polymerization catalysts and methods of making and using same	—	2018-12-04
9738736	Combined internal donor system for Ziegler-Natta polyolefin catalysts and methods of making and using same	Vladimir Marin, Ahmed Hintolay, Neil J. O'Reilly, Binh T. Nguyen	2017-08-22
9567410	Internal donor structure for olefin polymerization catalysts and methods of making and using same	—	2017-02-14
9562119	Ethylene polymerization catalysts	Thomas Garoff	2017-02-07
9284392	Mixed internal donor structures for 1-olefin polymerization catalysts	—	2016-03-15
9217047	Internal donor structure for olefin polymerization catalysts and methods of making and using same	—	2015-12-22
8933180	Internal and external donor compounds for olefin polymerization catalysts IV	—	2015-01-13
8765626	Internal donor structure for olefin polymerization catalysts and methods of making and using same	—	2014-07-01
8569195	Internal and external donor compounds for olefin polymerization catalysts II	—	2013-10-29
8318626	Internal and external donor compounds for olefin polymerization catalysts III	—	2012-11-27
8227370	High activity catalyst component for olefin polymerization and method of using the same	—	2012-07-24
8211819	Internal and external donor compounds for olefin polymerization catalysts	—	2012-07-03
8003558	Internal donor for olefin polymerization catalysts	—	2011-08-23
8003559	Internal donor for olefin polymerization catalysts	—	2011-08-23
7700513	Supported catalyst for olefin polymerization	Zhidong Zhu	2010-04-20
7326757	Supported catalyst for olefin polymerization	Zhidong Zhu	2008-02-05
7153803	High activity and good hydrogen response Ziegler-Natta polyethylene catalyst	Zhidong Zhu, Christopher J. Aarons	2006-12-26
7135531	Spherical catalyst for olefin polymerization	Zhidong Zhu	2006-11-14	$567,000
7005491	Propylene diene copolymerized polymers	Weiqing Weng, Eric J. Markel, Armenag H. Dekmezian, Palanisamy Arjunan, Olivier J. Georjon	2006-02-28	$418,960,000
6977287	Propylene diene copolymers	Pawan K. Agarwal, Weiqing Weng, Aspy K. Mehta, Armenag H. Dekmezian, Rajan K. Chudgar +5 more	2005-12-20	$377,234,000
6962889	Spherical catalyst for olefin polymerization	Zhidong Zhu	2005-11-08	$12,268,000
6809168	Articles formed from propylene diene copolymers	Pawan K. Agarwal, Weiqing Weng, Aspy K. Mehta, Armenag H. Dekmezian, Rajan K. Chudgar +5 more	2004-10-26	$150,659,000
6734267	Polymerization catalyst systems, their production and use	—	2004-05-11
6605560	Polymerization catalyst systems, their production and use	—	2003-08-12
6395847	Supported organometallic catalysts and their use in olefin polymerization	—	2002-05-28	$323,015,000

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Main Chang — 46 Patents

Issued Patents All Time

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