Inventor

Darryl Stephen Williams

Inventor
Longview, TX, US

Overview

21→
Patents
2002–2017
Patent span
Chemistry
Primary field (CPC C)

Patents· 21 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

C08Fprimary
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds14%
A61KPreparations for medical, dental or toiletry purposes11%
C01PIndexing scheme relating to structural and physical aspects of solid inorganic compounds6%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests6%
A61LMethods or apparatus for sterilising materials or objects in general5%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry5%
C01BNon-metallic elements5%
C07KPeptides5%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds5%
C08JWorking-up5%
PatentTitleYear
9,694,103'Photochemical activation of surfaces for attaching biomaterial'20179,469,545'Hollow silica particles, compositions comprising them and methods for making same'20169,278,866'Hollow silica particles, compositions comprising them, and methods for making same'20169,095,610'Uniform field magnetization and targeting of therapeutic formulations'20158,764,895'Metallic dispersions for inkjet printing'20148,562,505'Uniform field magnetization and targeting of therapeutic formulations'20138,263,127'Photochemical activation of surfaces for attaching biomaterial'20127,947,761'Inkjet ink compositions comprising polymeric dispersants having attached chromophore groups'20117,922,936'Luminescent compositions, methods for making luminescent compositions and inks incorporating the same'20117,635,734'Photochemical activation of surfaces for attaching biomaterial'20097,311,859'Method to produce nanocrystalline powders of oxide-based phosphors for lighting applications'20077,285,427'Raman-active particles and methods of making and using them'20077,118,727'Method of making oxide particles'20066,982,046'Light sources with nanometer-sized VUV radiation-absorbing phosphors'20066,706,840'Method for preparing oxirane-containing organosilicon compositions'20046,696,380'Procatalysts, catalyst systems, and use in olefin polymerization'20046,677,410'Procatalysts, catalyst systems, and use in olefin polymerization'20046,465,383'Procatalysts, catalyst systems, and use in olefin polymerization'20026,417,301'Process for producing ethylene/olefin interpolymers'20026,417,298'Process for producing ethylene/olefin interpolymers'20026,417,299'Process for producing ethylene/olefin interpolymers'2002

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2002–2004Patents assigned to EASTMAN CHEM CO (5)· patent assignee history
2002–2004Based in Longview, TX, US· patent location history
2004–2007Patents assigned to GEN ELECTRIC (5)· patent assignee history
2004–2007Based in Clifton Park, NY, US· patent location history
2006–2016Based in Albuquerque, NM, US· patent location history
2009–2015Patents assigned to PHILADELPHIA CHILDREN HOSPITAL (4)· patent assignee history
2009–2017Based in Philadelphia, PA, US· patent location history
2011–2014Patents assigned to CABOT CORP (3)· patent assignee history
2011–2014Based in Groton, MA, US· patent location history
2012–2017Patents assigned to ALFERIEV IVAN (3)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
EASTMAN CHEM CO52002–2004
GEN ELECTRIC52004–2007
PHILADELPHIA CHILDREN HOSPITAL42009–2015
ALFERIEV IVAN32012–2017
CABOT CORP32011–2014
Locations
LocationPatentsSpan
Longview, Texas, US62002–2004
Philadelphia, Pennsylvania, US52009–2017
Clifton Park, New York, US42004–2007
Groton, Massachusetts, US32011–2014
Albuquerque, NM, US22006–2016