Jayaratne; Kumudini C.

Patent Applications and Registrations

Patent applications and USPTO patent grants for Jayaratne; Kumudini C..The latest application filed is for "dual metallocene catalyst systems for decreasing melt index and increasing polymer production rates".

Company Profile

1.29.30

Jayaratne; Kumudini C. - Helsinki FI
Jayaratne; Kumudini C. - Groningen NL
Jayaratne; Kumudini C. - Bartlesville OK
Jayaratne; Kumudini C - Bartelsville OK
Jayaratne, Kumudini C. - Bartelsville OK
Jayaratne, Kumudini C. - College Park MD
Jayaratne; Kumudini C. - Detroit MI

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Dual metallocene catalyst systems for decreasing melt index and increasing polymer production rates Grant 9,169,333 - Masino , et al. October 27, 2	2015-10-27
Dual Metallocene Catalyst Systems for Decreasing Melt Index and Increasing Polymer Production Rates App 20140235804 - Masino; Albert P. ; et al.	2014-08-21
Dual metallocene catalyst systems for decreasing melt index and increasing polymer production rates Grant 8,748,546 - Masino , et al. June 10, 2	2014-06-10
Dual Metallocene Catalyst Systems for Decreasing Melt Index and Increasing Polymer Production Rates App 20130245210 - Masino; Albert P. ; et al.	2013-09-19
Nano-linked metallocene catalyst compositions and their polymer products Grant 8,524,626 - Murray , et al. September 3, 2	2013-09-03
Dual metallocene catalyst systems for decreasing melt index and increasing polymer production rates Grant 8,450,436 - Masino , et al. May 28, 2	2013-05-28
Nano-linked heteronuclear metallocene catalyst compositions and their polymer products Grant 8,426,536 - Murray , et al. April 23, 2	2013-04-23
Dual Metallocene Catalyst Systems for Decreasing Melt Index and Increasing Polymer Production Rates App 20130079477 - Masino; Albert P. ; et al.	2013-03-28
Polymerization Process for Producing Bimodal Polymers App 20130053523 - Jayaratne; Kumudini C. ; et al.	2013-02-28
Dual metallocene catalyst systems for decreasing melt index and increasing polymer production rates Grant 8,329,834 - Masino , et al. December 11, 2	2012-12-11
Nano-linked metallocene catalyst compositions and their polymer products Grant 8,329,833 - Murray , et al. December 11, 2	2012-12-11
Polymerization process for producing bimodal polymers Grant 8,318,873 - Jayaratne , et al. November 27, 2	2012-11-27
Dual metallocene catalysts for polymerization of bimodal polymers Grant 8,268,944 - Yang , et al. September 18, 2	2012-09-18
Dual Metallocene Catalysts For Polymerization Of Bimodal Polymers App 20120190804 - YANG; QING ; et al.	2012-07-26
Nano-linked Heteronuclear Metallocene Catalyst Compositions And Their Polymer Products App 20120149854 - MURRAY; REX E. ; et al.	2012-06-14
Nano-Linked Metallocene Catalyst Compositions and Their Polymer Products App 20120149855 - Murray; Rex E. ; et al.	2012-06-14
Nano-linked metallocene catalyst compositions and their polymer products Grant 8,143,183 - Murray , et al. March 27, 2	2012-03-27
Nano-linked heteronuclear metallocene catalyst compositions and their polymer products Grant 8,143,430 - Murray , et al. March 27, 2	2012-03-27
Dual metallocene catalysts for polymerization of bimodal polymers Grant 8,138,113 - Yang , et al. March 20, 2	2012-03-20
Nano-Linked Metallocene Catalyst Compositions and Their Polymer Products App 20120058886 - Murray; Rex E. ; et al.	2012-03-08
Nano-linked metallocene catalyst compositions and their polymer products Grant 8,080,681 - Murray , et al. December 20, 2	2011-12-20
Nano-Linked Metallocene Catalyst Compositions and Their Polymer Products App 20110288321 - Murray; Rex E. ; et al.	2011-11-24
Catalysts for olefin polymerization Grant 8,058,200 - Yang , et al. November 15, 2	2011-11-15
Nano-linked metallocene catalyst compositions and their polymer products Grant 8,012,900 - Murray , et al. September 6, 2	2011-09-06
Dual Metallocene Catalysts For Polymerization Of Bimodal Polymers App 20110201770 - YANG; QING ; et al.	2011-08-18
Polymerization Process For Producing Bimodal Polymers App 20110190460 - Jayaratne; Kumudini C. ; et al.	2011-08-04
Nano-linked Heteronuclear Metallocene Catalyst Compositions And Their Polymer Products App 20110144290 - Murray; Rex E. ; et al.	2011-06-16
Dual metallocene catalysts for polymerization of bimodal polymers Grant 7,960,487 - Yang , et al. June 14, 2	2011-06-14
Nano-linked heteronuclear metallocene catalyst compositions and their polymer products Grant 7,919,639 - Murray , et al. April 5, 2	2011-04-05
Process for preparing a monocyclopentadienyl compound Grant 7,910,763 - Jayaratne , et al. March 22, 2	2011-03-22
Nano-linked Metallocene Catalyst Compositions And Their Polymer Products App 20110059840 - Murray; Rex E. ; et al.	2011-03-10
Nano-linked metallocene catalyst compositions and their polymer products Grant 7,863,210 - Murray , et al. January 4, 2	2011-01-04
Dual Metallocene Catalyst Systems For Decreasing Melt Index And Increasing Polymer Production Rates App 20100331505 - Masino; Albert P. ; et al.	2010-12-30
Nano-linked Heteronuclear Metallocene Catalyst Compositions And Their Polymer Products App 20100324236 - MURRAY; REX E. ; et al.	2010-12-23
Dual Metallocene Catalysts For Polymerization Of Bimodal Polymers App 20100041842 - Yang; Qing ; et al.	2010-02-18
Polyethylene film having improved mechanical and barrier properties and method of making same Grant 7,632,907 - Sukhadia , et al. December 15, 2	2009-12-15
Dual metallocene catalysts for polymerization of bimodal polymers Grant 7,619,047 - Yang , et al. November 17, 2	2009-11-17
Polyethylene compositions and pipe made from same Grant 7,589,162 - Krishnaswamy , et al. September 15, 2	2009-09-15
Process For Preparing A Monocyclopentadienyl Compound App 20090198078 - Jayaratne; Kumudini C. ; et al.	2009-08-06
Nano-linked Metallocene Catalyst Compositions And Their Polymer Products App 20090170691 - Murray; Rex E. ; et al.	2009-07-02
Nano-linked Metallocene Catalyst Compositions And Their Polymer Products App 20090171041 - Murray; Rex E. ; et al.	2009-07-02
Nano-linked Metallocene Catalyst Compositions And Their Polymer Products App 20090170690 - Murray; Rex E. ; et al.	2009-07-02
Catalysts for olefin polymerization Grant 7,534,842 - Jayaratne , et al. May 19, 2	2009-05-19
Polymerization catalysts and process for producing bimodal polymers in a single reactor Grant 7,521,572 - Jayaratne , et al. April 21, 2	2009-04-21
Catalysts For Olefin Polymerization App 20080287721 - Yang; Qing ; et al.	2008-11-20
Polyethylene Film Having Improved Mechanical And Barrier Properties And Method Of Making Same App 20080004411 - Sukhadia; Ashish M. ; et al.	2008-01-03
Polymerization catalysts and process for producing bimodal polymers in a single reactor App 20080004460 - Jayaratne; Kumudini C. ; et al.	2008-01-03
Dual metallocene catalysts for polymerization of bimodal polymers App 20070197374 - Yang; Qing ; et al.	2007-08-23
Polyethylene compositions and pipe made from same App 20070197716 - Krishnaswamy; Rajendra K. ; et al.	2007-08-23
Polymerization catalysts and process for producing bimodal polymers in a single reactor Grant 7,226,886 - Jayaratne , et al. June 5, 2	2007-06-05
Catalysts for olefin polymerization App 20070111883 - Jayaratne; Kumudini C. ; et al.	2007-05-17
Polymerization catalysts and process for producing bimodal polymers in a single reactor App 20070060722 - Jayaratne; Kumudini C. ; et al.	2007-03-15
Multimodal polyethylene compositions and pipe made from same App 20070043182 - Martin; Joel L. ; et al.	2007-02-22
Method for production of multimodal polyolefins of tunable composition, molecular weight, and polydispersity Grant 7,053,157 - Sita , et al. May 30, 2	2006-05-30
Method for production of multimodal polyolefins of tunable composition, molecular weight, and polydispersity App 20040198930 - Sita, Lawrence R. ; et al.	2004-10-07
Stereospecific living polymerization of olefins by a novel ziegler-natta catalyst composition App 20020045536 - Sita, Lawrence R. ; et al.	2002-04-18
Process for the preparation of metal nitride coatings from single source precursors and precursors suitable therefor Grant 5,900,498 - Winter , et al. May 4, 1	1999-05-04

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