David Youdong Tong

Person

Houston, TX, US

People

Patents Grantslast 30 patents

Information Patent Grant
Nitroxide hydroxylamine and phenylenediamine combinations as polyme...
- Patent number 10,696,618
- Issue date Jun 30, 2020
- Ecolab USA Inc.
- David Youdong Tong
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Polymerization inhibitor compositions
- Patent number 10,370,331
- Issue date Aug 6, 2019
- Ecolab USA Inc.
- Jonathan Masere
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Nitroxide hydroxylamine and phenylenediamine combinations as polyme...
- Patent number 10,308,585
- Issue date Jun 4, 2019
- Ecolab USA Inc.
- David Youdong Tong
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Nitroxide hydroxylamine and phenylenediamine combinations as polyme...
- Patent number 10,112,888
- Issue date Oct 30, 2018
- Ecolab USA Inc.
- David Youdong Tong
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Reducing polymer fouling and agglomeration in acrylate/methacrylate...
- Patent number 9,884,951
- Issue date Feb 6, 2018
- Ecolab USA Inc.
- David Youdong Tong
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Nitroxide hydroxylamine and phenylenediamine combinations as polyme...
- Patent number 9,399,622
- Issue date Jul 26, 2016
- Ecolab USA Inc.
- David Youdong Tong
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Multi-component polymerization inhibitors for ethylenically unsatur...
- Patent number 8,691,994
- Issue date Apr 8, 2014
- Nalco Company
- David Youdong Tong
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Dispersant antifoulant for acrylonitrile
- Patent number 8,067,629
- Issue date Nov 29, 2011
- Nalco Company
- David Youdong Tong
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Composition and method for preventing fouling in (meth)acrylic acid...
- Patent number 7,005,087
- Issue date Feb 28, 2006
- Nalco Energy Services, L.P.
- David Youdong Tong
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Composition and method for preventing fouling in (meth)acrylic acid...
- Patent number 6,770,219
- Issue date Aug 3, 2004
- Nalco Energy Services
- David Youdong Tong
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents

Information Patent Application
NITROXIDE HYDROXYLAMINE AND PHENYLENEDIAMINE COMBINATIONS AS POLYME...
- Publication number 20190241496
- Publication date Aug 8, 2019
- Ecolab USA, Inc.
- David Youdong Tong
- C07 - ORGANIC CHEMISTRY
Information Patent Application
NITROXIDE HYDROXYLAMINE AND PHENYLENEDIAMINE COMBINATIONS AS POLYME...
- Publication number 20190023642
- Publication date Jan 24, 2019
- Ecolab USA, Inc.
- David Youdong Tong
- C07 - ORGANIC CHEMISTRY
Information Patent Application
POLYMERIZATION INHIBITOR COMPOSITIONS
- Publication number 20180258014
- Publication date Sep 13, 2018
- ECOLAB USA INC.
- Jonathan Masere
- C07 - ORGANIC CHEMISTRY
Information Patent Application
NITROXIDE HYDROXYLAMINE AND PHENYLENEDIAMINE COMBINATIONS AS POLYME...
- Publication number 20160244398
- Publication date Aug 25, 2016
- Ecolab USA, Inc.
- David Youdong Tong
- C07 - ORGANIC CHEMISTRY
Information Patent Application
REDUCING POLYMER FOULING AND AGGLOMERATION IN ACRYLATE/METHACRYLATE...
- Publication number 20160102189
- Publication date Apr 14, 2016
- ECOLAB USA INC.
- David Youdong Tong
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
NITROXIDE HYDROXYLAMINE AND PHENYLENEDIAMINE COMBINATIONS AS POLYME...
- Publication number 20150152053
- Publication date Jun 4, 2015
- Ecolab USA, Inc.
- David Youdong Tong
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
MULTI-COMPONENT POLYMERIZATION INHIBITORS FOR ETHYLENICALLY UNSATUR...
- Publication number 20120203020
- Publication date Aug 9, 2012
- David Youdong Tong
- C07 - ORGANIC CHEMISTRY
Information Patent Application
DISPERSANT ANTIFOULANT FOR ACRYLONITRILE
- Publication number 20100125147
- Publication date May 20, 2010
- David Youdong Tong
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Composition and method for preventing fouling in (meth)acrylic acid...
- Publication number 20050139807
- Publication date Jun 30, 2005
- David Youdong Tong
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
COMPOSITION AND METHOD FOR PREVENTING FOULING IN (METH)ACRYLIC ACID...
- Publication number 20040072974
- Publication date Apr 15, 2004
- David Youdong Tong
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

David Youdong Tong

Person

Patents Grantslast 30 patents

Nitroxide hydroxylamine and phenylenediamine combinations as polyme...

Polymerization inhibitor compositions

Nitroxide hydroxylamine and phenylenediamine combinations as polyme...

Nitroxide hydroxylamine and phenylenediamine combinations as polyme...

Reducing polymer fouling and agglomeration in acrylate/methacrylate...

Nitroxide hydroxylamine and phenylenediamine combinations as polyme...

Multi-component polymerization inhibitors for ethylenically unsatur...

Dispersant antifoulant for acrylonitrile

Composition and method for preventing fouling in (meth)acrylic acid...

Composition and method for preventing fouling in (meth)acrylic acid...

Patents Applicationslast 30 patents

NITROXIDE HYDROXYLAMINE AND PHENYLENEDIAMINE COMBINATIONS AS POLYME...

NITROXIDE HYDROXYLAMINE AND PHENYLENEDIAMINE COMBINATIONS AS POLYME...

POLYMERIZATION INHIBITOR COMPOSITIONS

NITROXIDE HYDROXYLAMINE AND PHENYLENEDIAMINE COMBINATIONS AS POLYME...

REDUCING POLYMER FOULING AND AGGLOMERATION IN ACRYLATE/METHACRYLATE...

NITROXIDE HYDROXYLAMINE AND PHENYLENEDIAMINE COMBINATIONS AS POLYME...

MULTI-COMPONENT POLYMERIZATION INHIBITORS FOR ETHYLENICALLY UNSATUR...

DISPERSANT ANTIFOULANT FOR ACRYLONITRILE

Composition and method for preventing fouling in (meth)acrylic acid...

COMPOSITION AND METHOD FOR PREVENTING FOULING IN (METH)ACRYLIC ACID...