Harrington; John C.

Patent Applications and Registrations

Patent applications and USPTO patent grants for Harrington; John C..The latest application filed is for "chemical efficiency increase in papermaking process".

Company Profile

2.10.17

Harrington; John C. - Newark DE
Harrington; John C. - Jacksonville FL
Harrington; John C. - Medfield MA
Harrington; John C. - Canfield 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
Chemical efficiency increase in papermaking process Grant 10,876,254 - Harrington , et al. December 29, 2	2020-12-29
Chemical Efficiency Increase In Papermaking Process App 20190100875 - Harrington; John C. ; et al.	2019-04-04
Method Of Manufacturing Paper With Unbleached Cellulose Pulp Suspension Containing Organic Residues App 20180051417 - Harrington; John C. ; et al.	2018-02-22
Method of increasing drainage performance of a pulp slurry during manufacture of paper products, and products therefrom Grant 9,873,982 - Harrington , et al. January 23, 2	2018-01-23
Method Of Increasing Drainage Performance Of A Pulp Slurry During Manufacture Of Paper Products, And Products Therefrom App 20170101740 - HARRINGTON; John C. ; et al.	2017-04-13
Polyethylene Oxide Treatment For Drainage Agents And Dry Strength Agents App 20150041090 - Harrington; John C. ; et al.	2015-02-12
Retention and drainage in the manufacture of paper Grant 8,932,433 - Sutman , et al. January 13, 2	2015-01-13
Retention And Drainage In The Manufacture Of Paper App 20120291971 - Sutman; Frank J. ; et al.	2012-11-22
Retention and drainage aids Grant 7,615,135 - Harrington , et al. November 10, 2	2009-11-10
Method of modifying starch for increased papermachine retention and drainage performance App 20090188640 - Harrington; John C.	2009-07-30
Anionic copolymers prepared in an inverse emulsion matrix Grant 7,507,781 - Walchuk , et al. March 24, 2	2009-03-24
Corrosion resistant sprinklers, nozzles, and related fire protection components and systems App 20080308285 - Su; Paul P. ; et al.	2008-12-18
Inversion of inverse emulsion polymers Grant 7,429,625 - Harrington , et al. September 30, 2	2008-09-30
Anionic copolymers prepared in an inverse emulsion matrix and their use in preparing cellulosic fiber compositions App 20070265358 - Walchuk; Brian ; et al.	2007-11-15
Anionic copolymers prepared in an inverse emulsion matrix and their use in preparing cellulosic fiber compositions Grant 7,250,448 - Walchuk , et al. July 31, 2	2007-07-31
Retention and drainage in the manufacture of paper App 20060289139 - Zhang; Fushan ; et al.	2006-12-28
Retention and drainage aids App 20060185806 - Harrington; John C. ; et al.	2006-08-24
Retention and drainage in the manufacture of paper App 20060142429 - Gelman; Robert A. ; et al.	2006-06-29
Retention and drainage in the manufacture of paper App 20060142430 - Harrington; John C. ; et al.	2006-06-29
Retention and drainage in the manufacture of paper App 20060142432 - Harrington; John C. ; et al.	2006-06-29
Retention and drainage in the manufacture of paper App 20060142431 - Sutman; Frank J. ; et al.	2006-06-29
Inversion of inverse emulsion polymers App 20050143506 - Harrington, John C. ; et al.	2005-06-30
Anionic copolymers prepared in an inverse emulsion matrix and their use in preparing cellulosic fiber compositions App 20040102528 - Walchuk, Brian ; et al.	2004-05-27
Method for using hydrophobically associative polymers in preparing cellulosic fiber compositions, and cellulosic fiber compositions incorporating the hydrophobically associative polymers App 20020053413 - Zhang, Huashi T. ; et al.	2002-05-09
Water soluble graft copolymers for laser print deinking loop clarification Grant 5,387,318 - Liao , et al. * February 7, 1	1995-02-07
Clip on pen and pencil holder Grant D256,963 - Harrington September 23, 1	1980-09-23

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