Membership
Tour
Register
Log in
Jo-Ann T. Schwartz
Follow
Person
Chadds Ford, PA, US
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Metal compound chemically anchored colloidal particles and methods...
Patent number
11,104,825
Issue date
Aug 31, 2021
VERSUM MATERIALS US, LLC
Hongjun Zhou
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Chemical mechanical planarization for tungsten-containing substrates
Patent number
11,066,575
Issue date
Jul 20, 2021
VERSUM MATERIALS US, LLC
Xiaobo Shi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Composite abrasive particles for chemical mechanical planarization...
Patent number
10,669,449
Issue date
Jun 2, 2020
VERSUM MATERIALS US, LLC
Hongjun Zhou
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Metal compound chemically anchored colloidal particles and methods...
Patent number
10,160,884
Issue date
Dec 25, 2018
VERSUM MATERIALS US, LLC
Hongjun Zhou
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Composite abrasive particles for chemical mechanical planarization...
Patent number
10,109,493
Issue date
Oct 23, 2018
VERSUM MATERIALS US, LLC
Hongjun Zhou
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Chemical mechanical polishing (CMP) composition for shallow trench...
Patent number
10,011,741
Issue date
Jul 3, 2018
VERSUM MATERIALS US, LLC
Xiaobo Shi
B24 - GRINDING POLISHING
Information
Patent Grant
Chemical mechanical polishing (CMP) composition for shallow trench...
Patent number
9,305,476
Issue date
Apr 5, 2016
Air Products and Chemicals, Inc.
Xiaobo Shi
B24 - GRINDING POLISHING
Information
Patent Grant
Chemical mechanical polishing (CMP) composition for shallow trench...
Patent number
9,062,230
Issue date
Jun 23, 2015
Air Products and Chemicals, Inc.
Xiaobo Shi
B24 - GRINDING POLISHING
Information
Patent Grant
Chemical mechanical polishing (CMP) composition for shallow trench...
Patent number
8,859,428
Issue date
Oct 14, 2014
Air Products and Chemicals, Inc.
Xiaobo Shi
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Process for manufacture of an attrition resistant catalyst
Patent number
6,878,668
Issue date
Apr 12, 2005
E. I. Du Pont de Nemours and Company
Jo-Ann T. Schwartz
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for manufacture of an attrition resistant catalyst
Patent number
6,362,128
Issue date
Mar 26, 2002
E. I. Du Pont de Nemours and Company
Jo-Ann Theresa Schwartz
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Method and Ru,Re,Sn/carbon catalyst for hydrogenation in aqueous so...
Patent number
6,008,384
Issue date
Dec 28, 1999
E. I. Du Pont de Nemours and Company
Richard Edmond Bockrath
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Ru,Re/carbon catalyst for hydrogenation in aqueous solution
Patent number
5,478,952
Issue date
Dec 26, 1995
E. I. Du Pont de Nemours and Company
Jo-Ann T. Schwartz
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Silica microspheres, method of improving attrition resistance and use
Patent number
5,352,645
Issue date
Oct 4, 1994
E. I. Du Pont de Nemours and Company
Jo-Ann T. Schwartz
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Silica microspheres, method of improving attrition resistance
Patent number
5,128,114
Issue date
Jul 7, 1992
E. I. Du Pont de Nemours and Company
Jo-Ann T. Schwartz
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Hydrogen peroxide production method using platinum/palladium catalysts
Patent number
4,832,938
Issue date
May 23, 1989
E. I. Du Pont de Nemours and Company
Lawrence W. Gosser
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Catalytic process for making hydrogen peroxide from hydrogen and ox...
Patent number
4,772,458
Issue date
Sep 20, 1988
E. I. Du Pont de Nemours and Company
Lawrence W. Gosser
C01 - INORGANIC CHEMISTRY
Patents Applications
last 30 patents
Information
Patent Application
Composite Abrasive Particles for Chemical Mechanical Planarization...
Publication number
20200115590
Publication date
Apr 16, 2020
VERSUM MATERIALS US, LLC
Hongjun Zhou
B24 - GRINDING POLISHING
Information
Patent Application
Chemical Mechanical Planarization For Tungsten-Containing Substrates
Publication number
20200079976
Publication date
Mar 12, 2020
VERSUM MATERIALS US, LLC
Xiaobo Shi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Metal Compound Chemically Anchored Colloidal Particles and Methods...
Publication number
20190100678
Publication date
Apr 4, 2019
VERSUM MATERIALS US, LLC
Hongjun Zhou
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Metal Compound Chemically Anchored Colloidal Particles and Methods...
Publication number
20160280962
Publication date
Sep 29, 2016
Air Products and Chemicals, Inc.
Hongjun Zhou
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
Composite Abrasive Particles For Chemical Mechanical Planarization...
Publication number
20160200944
Publication date
Jul 14, 2016
Air Products and Chemicals, Inc.
Hongjun Zhou
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
Chemical Mechanical Polishing (CMP) Composition for Shallow Trench...
Publication number
20160177134
Publication date
Jun 23, 2016
Air Products and Chemicals, Inc.
Xiaobo Shi
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
Chemical Mechanical Polishing (CMP) Composition for Shallow Trench...
Publication number
20150247063
Publication date
Sep 3, 2015
Air Products and Chemicals, Inc.
Xiaobo Shi
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
Chemical Mechanical Polishing (CMP) Composition for Shallow Trench...
Publication number
20140374378
Publication date
Dec 25, 2014
Air Products and Chemicals, Inc.
Xiaobo Shi
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
Metal Compound Coated Colloidal Particles Process for Making and Us...
Publication number
20140315386
Publication date
Oct 23, 2014
Air Products and Chemicals, Inc.
Hongjun Zhou
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
Chemical Mechanical Planarization for Tungsten-Containing Substrates
Publication number
20140273458
Publication date
Sep 18, 2014
Air Products and Chemicals, Inc.
Xiaobo Shi
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
CHEMICAL MECHANICAL POLISHING (CMP) COMPOSITION FOR SHALLOW TRENCH...
Publication number
20140110626
Publication date
Apr 24, 2014
Air Products and Chemicals Inc
Xiaobo Shi
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...