John D. Schofield — 27 Patents at Zeneca Limited

John D. Schofield has been granted 27 US patents while listed as an inventor at Zeneca Limited. The first was granted in 1982 and the most recent in August 2017. John D. Schofield ranks #142,059 of 4,157,543 US inventors in our database (top 3.4%). Patent records list John D. Schofield in Bury, GB.

Issued Patents All Time

Showing 1–25 of 27 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
9718984	Multi-acid multi-base graft copolymer dispersants	Elliot Coulbeck, Patrick J. Sunderland, Dean Thetford	2017-08-01
9115259	Filled poly vinyl chloride composition	Dean Thetford, Patrick J. Sunderland, Eric Rohr, Jatin S. Panchal, Shelly A. Barnhart +1 more	2015-08-25
9044720	Dispersant composition	Patrick J. Sunderland, Dean Thetford	2015-06-02
RE44769	Dispersants	Dean Thetford, Patrick J. Sunderland	2014-02-18
7732514	Filler composites	Roger N. Rothon, Dean Thetford, Stuart N. Richards	2010-06-08	$36,493,000
7442327	Use of dispersions in making electronic devices	Dean Thetford	2008-10-28	$15,323,000
7095044	Field effect transistors and materials and methods for their manufacture	Beverley Anne Brown, Domenico C. Cupertino, Janos Veres, Stephen William Leeming, Stephen Yeates	2006-08-22	$88,681,000
7008988	Paint compositions	Dean Thetford	2006-03-07	$12,134,000
6770704	Thickeners	David Cartridge, Dean Thetford, Paul Gough, Stuart N. Richards	2004-08-03
6197103	Pigment composition	Peter K. Davies, John M. McCarthy	2001-03-06	$18,043,000
6197877	Dispersants	Dean Thetford, Patrick J. Sunderland	2001-03-06	$18,043,000
6191253	Polyether phosphates	Dean Thetford	2001-02-20	$20,479,000
6117935	Rheology modifier for solvent-based coatings	Paul Gough	2000-09-12	$12,079,000
5954870	Pigment composition	Peter K. Davies, John M. McCarthy	1999-09-21	$8,340,000
5837046	Ink jet printer ink composition	John Philip Tatum, Jill Woods	1998-11-17
5785894	Dispersant for dispersing particulate solids	Dean Thetford	1998-07-28	$736,000
5753022	Process	Dean Thetford	1998-05-19	$3,094,000
5700395	Dispersants	Dean Thetford	1997-12-23	$2,054,000
5536445	Surfactant and dispersible or emulsifiable compositions employing surfactant	Frederick Campbell, Alan S. Baker	1996-07-16
5380363	Pigment composition	Gerard Emile Edgard Coispeau	1995-01-10
5300255	Surfactant products of poly(hydroxyalkanecarboxylic acid) phosphate esters	Frederick Campbell, Alan S. Baker	1994-04-05	$1,641,000
4954177	Dispersion	—	1990-09-04	$1,474,000
4861380	Composition	Frederick Campbell, John M. Geary	1989-08-29	$995,000
4797440	Dispersed particulate composition	Roger Parker Slater	1989-01-10	$1,257,000
4645611	Dispersion	Frederick Campbell, Peter K. Davies	1987-02-24	$4,170,000

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John D. Schofield — 27 Patents

Issued Patents All Time

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