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last 30 patents
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Patent Grant
Polyvinylidene fluoride/ultra-high molecular weight polyethylene bl...
Patent number
11,052,352
Issue date
Jul 6, 2021
Tianjin Polytechnic University
Nana Li
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Homogeneous fiber reinforced PVDF hollow fiber membrane and prepara...
Patent number
10,906,006
Issue date
Feb 2, 2021
Tianjin Polytechnic University
Changfa Xiao
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Reinforced oil-absorptive membrane material, unit and preparation m...
Patent number
10,710,027
Issue date
Jul 14, 2020
Tianjin Polytechnic University
Changfa Xiao
B32 - LAYERED PRODUCTS
Information
Patent Grant
Hydrophobic-oleophilic hollow fiber composite membrane and preparin...
Patent number
10,252,224
Issue date
Apr 9, 2019
Tianjin Polytechnic University
Changfa Xiao
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Hollow tubular oil absorbing material and preparing method thereof
Patent number
9,573,113
Issue date
Feb 21, 2017
Tianjin Polytechnic University
Changfa Xiao
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Method for preparing homogeneous braid-reinforced PPTA hollow fiber...
Patent number
9,533,266
Issue date
Jan 3, 2017
Tianjin Polytechnic University
Changfa Xiao
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Method for preparing aromatic polyamide porous hollow fiber membrane
Patent number
9,415,348
Issue date
Aug 16, 2016
Tianjin Polytechnic University
Changfa Xiao
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Preparation method of perfluorinated polymer hollow fiber membrane
Patent number
9,211,503
Issue date
Dec 15, 2015
Tianjin Polytechnic University
Changfa Xiao
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Composition for preparation of hollow fiber porous membrane and pre...
Patent number
9,095,819
Issue date
Aug 4, 2015
Tianjin Polytechnic University
Changfa Xiao
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Method for making liquid separation membrane
Patent number
8,722,146
Issue date
May 13, 2014
Tianjin Motimo Membrane Technology Co., Ltd.
Jianli Liu
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Method of preparing oil absorbing fibers
Patent number
8,110,525
Issue date
Feb 7, 2012
Tianjin Polytechnic University
Changfa Xiao
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Patents Applications
last 30 patents
Information
Patent Application
Perfluoropolymer hollow fiber composite membrane preparation method
Publication number
20210237000
Publication date
Aug 5, 2021
Shanghai University of Engineering Science
Changfa Xiao
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Reinforced oil-absorptive membrane material, unit and preparation m...
Publication number
20190126209
Publication date
May 2, 2019
TIANJIN POLYTECHNIC UNIVERSITY
Changfa Xiao
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
Polyvinylidene Fluoride/Ultra-high Molecular Weight Polyethylene Bl...
Publication number
20190105611
Publication date
Apr 11, 2019
TIANJIN POLYTECHNIC UNIVERSITY
Nana LI
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
Homogeneous fiber reinforced PVDF hollow fiber membrane and prepara...
Publication number
20180272289
Publication date
Sep 27, 2018
TIANJIN POLYTECHNIC UNIVERSITY
Changfa Xiao
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
HYDROPHOBIC-OLEOPHILIC HOLLOW FIBER COMPOSITE MEMBRANE AND PREPARIN...
Publication number
20170232402
Publication date
Aug 17, 2017
TIANJIN POLYTECHNIC UNIVERSITY
Changfa XIAO
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Reinforced oil-absorptive membrane material, unit and preparation m...
Publication number
20160317975
Publication date
Nov 3, 2016
TIANJIN POLYTECHNIC UNIVERSITY
Changfa Xiao
B32 - LAYERED PRODUCTS
Information
Patent Application
Hollow tubular oil absorbing material and preparing method thereof
Publication number
20160256849
Publication date
Sep 8, 2016
TIANJIN POLYTECHNIC UNIVERSITY
Changfa Xiao
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Membrane formulation of fluorinated copolymer porous membrance and...
Publication number
20160075845
Publication date
Mar 17, 2016
TIANJIN POLYTECHNIC UNIVERSITY
Changfa Xiao
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
Method for preparing aromatic polyamide porous hollow fiber membrane
Publication number
20160001234
Publication date
Jan 7, 2016
TIANJIN POLYTECHNIC UNIVERSITY
Changfa Xiao
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
Method for preparing homogeneous braid-reinforced PPTA hollow fiber...
Publication number
20160001233
Publication date
Jan 7, 2016
TIANJIN POLYTECHNIC UNIVERSITY
Changfa Xiao
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Preparation method of homogeneous-reinforced PVDF hollow fiber memb...
Publication number
20150096934
Publication date
Apr 9, 2015
TIANJIN POLYTECHNIC UNIVERSITY
Changfa Xiao
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Preparation method of enhanced-type polyacrylonitrile hollow fiber...
Publication number
20140326659
Publication date
Nov 6, 2014
Changfa Xiao
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Preparation method of perfluorinated polymer hollow fiber membrane
Publication number
20140311968
Publication date
Oct 23, 2014
TIANJIN POLYTECHNIC UNIVERSITY
Changfa Xiao
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
METHOD FOR MAKING LIQUID SEPARATION MEMBRANE
Publication number
20120276294
Publication date
Nov 1, 2012
TIANJIN MOTIMO MEMBRANE TECHNOLOGY CO., LTD.
Jianli LIU
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
COMPOSITION FOR PREPARATION OF HOLLOW FIBER POROUS MEMBRANE AND PRE...
Publication number
20110147300
Publication date
Jun 23, 2011
TIANJIN POLYTECHNIC UNIVERSITY
Changfa XIAO
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
METHOD OF PREPARING OIL ABSORBING FIBERS
Publication number
20090306259
Publication date
Dec 10, 2009
TIANJIN POLYTECHNIC UNIVERSITY
Changfa XIAO
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING