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Qunhui Guo
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Murrysville, PA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Apparatus and method for air freshening
Patent number
11,712,493
Issue date
Aug 1, 2023
The Procter & Gamble Company
Bee Ting Low
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Filtration system
Patent number
11,229,883
Issue date
Jan 25, 2022
PPG Industries Ohio, Inc.
Qunhui Guo
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Methods for treating filled microporous membranes
Patent number
10,888,824
Issue date
Jan 12, 2021
PPG Industries Ohio, Inc.
Qunhui Guo
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Method for treating a microporous membrane
Patent number
10,888,821
Issue date
Jan 12, 2021
PPG Industries Ohio, Inc.
Qunhui Guo
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Treated membrane for fragrance delivery
Patent number
10,842,902
Issue date
Nov 24, 2020
PPG Industries Ohio, Inc.
Luciano M. Parrinello
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Filled microporous membranes
Patent number
10,441,939
Issue date
Oct 15, 2019
PPG Industries Ohio, Inc.
Qunhui Guo
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Methods for treating filled microporous membranes
Patent number
10,183,274
Issue date
Jan 22, 2019
PPG Industries Ohio, Inc.
Qunhui Guo
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Hydrocarbon waste stream purification processes using microporous m...
Patent number
9,896,353
Issue date
Feb 20, 2018
PPG Industries Ohio, Inc.
Qunhui Guo
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Fluid emulsion purification processes using microporous materials h...
Patent number
9,546,326
Issue date
Jan 17, 2017
PPG Industries Ohio, Inc.
Qunhui Guo
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Precipitated silica sorbents and method of separating materials fro...
Patent number
9,073,041
Issue date
Jul 7, 2015
PPG Industries Ohio, Inc.
Qunhui Guo
C01 - INORGANIC CHEMISTRY
Patents Applications
last 30 patents
Information
Patent Application
APPARATUS AND METHOD FOR AIR FRESHENING
Publication number
20200276352
Publication date
Sep 3, 2020
The Procter & Gamble Company
Bee Ting LOW
B60 - VEHICLES IN GENERAL
Information
Patent Application
Method for Treating a Microporous Membrane
Publication number
20200086278
Publication date
Mar 19, 2020
PPG INDUSTRIES OHIO, INC.
Qunhui Guo
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Methods for Treating Filled Microporous Membranes
Publication number
20190143300
Publication date
May 16, 2019
PPG INDUSTRIES OHIO, INC.
Qunhui Guo
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Treated Membrane for Fragrance Delivery
Publication number
20190070330
Publication date
Mar 7, 2019
PPG INDUSTRIES OHIO, INC.
Luciano M. Parrinello
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
Methods for Treating Filled Microporous Membranes
Publication number
20180133664
Publication date
May 17, 2018
PPG INDUSTRIES OHIO, INC.
Qunhui Guo
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Methods for Treating Filled Microporous Membranes
Publication number
20180133686
Publication date
May 17, 2018
PPG INDUSTRIES OHIO, INC.
Qunhui Guo
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Filtration System
Publication number
20180104651
Publication date
Apr 19, 2018
PPG INDUSTRIES OHIO, INC.
Qunhui Guo
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Hydrocarbon Waste Stream Purification Processes Using Microporous M...
Publication number
20170129789
Publication date
May 11, 2017
PPG INDUSTRIES OHIO, INC.
Qunhui Guo
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
FLUID EMULSION PURIFICATION PROCESSES USING MICROPOROUS MATERIALS H...
Publication number
20140246356
Publication date
Sep 4, 2014
Qunhui Guo
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
COATED MICROPOROUS MATERIALS HAVING FILTRATION AND ADSORPTION PROPE...
Publication number
20140069862
Publication date
Mar 13, 2014
Qunhui Guo
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
PRECIPITATED SILICA SORBENTS
Publication number
20130228521
Publication date
Sep 5, 2013
PPG INDUSTRIES OHIO, INC.
Qunhui Guo
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
MICROPOROUS MATERIAL HAVING FILTRATION AND ADSORPTION PROPERTIES AN...
Publication number
20130228519
Publication date
Sep 5, 2013
PPG INDUSTRIES OHIO, INC.
Qunhui Guo
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
MICROPOROUS MATERIAL HAVING FILTRATION AND ADSORPTION PROPERTIES AN...
Publication number
20130228529
Publication date
Sep 5, 2013
PPG INDUSTRIES OHIO, INC.
Qunhui Guo
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL