Inventor

Duen-Wu Hua

Inventor

Edgewood, MD, US

Overview

10→

Patents

2003–2016

Patent span

Chemistry

Primary field (CPC C)

Patents· 10 as inventor

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

C08Kprimary

C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients15%

C01BNon-metallic elements12%

C09DCoating compositions, e.g. paints, varnishes or lacquers12%

B01JChemical or physical processes, e.g. catalysis or colloid chemistry8%

B24BMachines, devices, or processes for grinding or polishing8%

C09GPolishing compositions8%

C09KMaterials for miscellaneous applications, not provided for elsewhere8%

C11BProducing, e.g. by pressing raw materials or by extraction from waste materials, refining or preserving fats, fatty substances, e.g. lanolin, fatty oils or waxes8%

H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h108%

B01DSeparation4%

PatentTitleYear

9,388,299'Zirconium treated sodium aluminosilicates and methods of making same'2016 9,045,616'Zirconium treated sodium aluminosilicates and methods of making same'2015 8,596,468'Composite caustic silica gel manufacturing method and gels made thereby'2013 7,803,343'Silica gel manufacturing method and gels made thereby'2010 7,628,844'Filtration media for the removal of mercury from flue gas emissions'2009 7,553,416'Caustic silica gel manufacturing method and gels made thereby'2009 7,455,791'Abrasives for copper CMP and methods for making'2008 6,913,634'Abrasives for copper CMP and methods for making'2005 6,743,286'Inorganic particles and methods of making'2004 6,569,920'Titanium dioxide slurries having improved stability'2003

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2003–2004Patents assigned to MILLENNIUM INORGANIC CHEM (2)· patent assignee history

2003–2004Based in Severna Park, MD, US· patent location history

2005–2016Patents assigned to HUBER CORP J M (8)· patent assignee history

2005–2016Based in Edgewood, MD, US· patent location history

2013Patents assigned to HUA DUEN-WU (1)· patent assignee history

2013Patents assigned to LOOCK GARY W (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
HUBER CORP J M	8	2005–2016
MILLENNIUM INORGANIC CHEM	2	2003–2004
HUA DUEN-WUself	1	2013
LOOCK GARY W	1	2013

Locations

Location	Patents	Span
Edgewood, Maryland, US	8	2005–2016
Severna Park, Maryland, US	2	2003–2004