Ravikiran; Ramakrishna

Patent Applications and Registrations

Patent applications and USPTO patent grants for Ravikiran; Ramakrishna.The latest application filed is for "surfactants for enhanced oil recovery".

Company Profile

1.20.15

Ravikiran; Ramakrishna - Centennial CO
Ravikiran; Ramakrishna - Northfield IL
Ravikiran; Ramakrishna - Strongville OH
Ravikiran; Ramakrishna - Vernon Hills IL
Ravikiran; Ramakrishna - Cleveland Heights OH
Ravikiran; Ramakrishna - Strongsville OH
Ravikiran; Ramakrishna - Cleveland OH
Ravikiran; Ramakrishna - North Royalton OH

*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
Surfactants for enhanced oil recovery Grant 10,435,618 - Ravikiran , et al. O	2019-10-08
Surfactants For Enhanced Oil Recovery App 20170114270 - Ravikiran; Ramakrishna ; et al.	2017-04-27
Surfactants for enhanced oil recovery Grant 9,567,512 - Ravikiran , et al. February 14, 2	2017-02-14
Surfactants For Enhanced Oil Recovery App 20140073541 - Ravikiran; Ramakrishna ; et al.	2014-03-13
Optical waveguides and methods thereof Grant 8,420,293 - Choki , et al. April 16, 2	2013-04-16
Sulfonated internal olefin surfactant for enhanced oil recovery Grant 8,403,044 - Hutchison , et al. March 26, 2	2013-03-26
Optical Waveguides And Methods Thereof App 20120064458 - CHOKI; Koji ; et al.	2012-03-15
Optical waveguides and methods thereof Grant 8,053,166 - Choki , et al. November 8, 2	2011-11-08
Directly photodefinable polymer compositions and methods thereof Grant 8,053,515 - Elce , et al. November 8, 2	2011-11-08
Optical waveguides and methods thereof Grant 8,021,825 - Choki , et al. September 20, 2	2011-09-20
Polymerized cycloolefins using transition metal catalyst and end products thereof Grant 7,910,674 - Rhodes , et al. March 22, 2	2011-03-22
Photosensitive dielectric resin compositions, films formed therefrom and semiconductor and display devices encompassing such films Grant 7,858,721 - Amoroso , et al. December 28, 2	2010-12-28
Polycyclic polymers containing pendant ion conducting moieties Grant 7,851,575 - Ravikiran , et al. December 14, 2	2010-12-14
Sulfonated internal olefin surfactant for enhanced oil recovery App 20100282467 - Hutchison; John C. ; et al.	2010-11-11
Optical waveguides and methods thereof Grant 7,820,356 - Choki , et al. October 26, 2	2010-10-26
Optical Waveguides And Methods Thereof App 20100061688 - Choki; Koji ; et al.	2010-03-11
Photosensitive dielectric resin compositions, films formed therefrom and semiconductor and display devices encompassing such films App 20090215976 - Amoroso; Dino ; et al.	2009-08-27
Photosensitive dielectric resin compositions, films formed therefrom and semiconductor and display devices encompassing such films Grant 7,524,594 - Amoroso , et al. April 28, 2	2009-04-28
Directly Photodefinable Polymer Compositions And Methods Thereof App 20080194740 - Elce; Edmund ; et al.	2008-08-14
Directly photodefinable polymer compositions and methods thereof Grant 7,378,456 - Elce , et al. May 27, 2	2008-05-27
Process for forming perfluorinated-alkyl sulfonamide substituted norbornene-type monomers App 20080027246 - Bell; Andrew ; et al.	2008-01-31
Optical waveguides and methods thereof App 20070148566 - Choki; Koji ; et al.	2007-06-28
Photosensitive dielectric resin compositions, films formed therefrom and semiconductor and display devices encompassing such films App 20060008734 - Amoroso; Dino ; et al.	2006-01-12
Polymers of polycyclic olefins having a polyhedral oligosilsesquioxane pendant group and uses thereof App 20050192409 - Rhodes, Larry F. ; et al.	2005-09-01
Directly photodefinable polymer compositions and methods thereof App 20050186502 - Elce, Edmund ; et al.	2005-08-25
Polymerized cycloolefins using transition metal catalyst and end products thereof Grant 6,903,171 - Rhodes , et al. June 7, 2	2005-06-07
Optical waveguides and methods for making the same Grant 6,677,175 - Zhao , et al. January 13, 2	2004-01-13
Polymeric compositions for forming optical waveguides; optical waveguides formed therefrom; and methods for making same Grant 6,538,087 - Zhao , et al. March 25, 2	2003-03-25
Polymeric compositions for forming optical waveguides; optical waveguides formed therefrom; and methods for making same App 20020103317 - Zhao, Xiao-Mei ; et al.	2002-08-01
Optical waveguides and methods for making the same App 20020064896 - Zhao, Xiao-Mei ; et al.	2002-05-30
Salt-modified electrostatic dissipative polymers Grant 6,140,405 - Eckstein , et al. October 31, 2	2000-10-31

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