Xiao; Changfa

Patent Applications and Registrations

Patent applications and USPTO patent grants for Xiao; Changfa.The latest application filed is for "perfluoropolymer hollow fiber composite membrane preparation method".

Company Profile

5.13.16

Xiao; Changfa - Shanghai CN
Xiao; Changfa - Tianjin CN
Xiao; Changfa - Tiangjin CN

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Perfluoropolymer hollow fiber composite membrane preparation method App 20210237000 - Xiao; Changfa ; et al.	2021-08-05
Polyvinylidene fluoride/ultra-high molecular weight polyethylene blend microporous membrane and preparation method thereof Grant 11,052,352 - Li , et al. July 6, 2	2021-07-06
Homogeneous fiber reinforced PVDF hollow fiber membrane and preparation method thereof Grant 10,906,006 - Xiao , et al. February 2, 2	2021-02-02
Reinforced oil-absorptive membrane material, unit and preparation method thereof Grant 10,710,027 - Xiao , et al.	2020-07-14
Reinforced oil-absorptive membrane material, unit and preparation method thereof App 20190126209 - Xiao; Changfa ; et al.	2019-05-02
Polyvinylidene Fluoride/Ultra-high Molecular Weight Polyethylene Blend Microporous Membrane and Preparation Method Thereof App 20190105611 - LI; Nana ; et al.	2019-04-11
Hydrophobic-oleophilic hollow fiber composite membrane and preparing method thereof Grant 10,252,224 - Xiao , et al.	2019-04-09
Homogeneous fiber reinforced PVDF hollow fiber membrane and preparation method thereof App 20180272289 - Xiao; Changfa ; et al.	2018-09-27
Hydrophobic-oleophilic Hollow Fiber Composite Membrane And Preparing Method Thereof App 20170232402 - XIAO; Changfa ; et al.	2017-08-17
Hollow tubular oil absorbing material and preparing method thereof Grant 9,573,113 - Xiao , et al. February 21, 2	2017-02-21
Method for preparing homogeneous braid-reinforced PPTA hollow fiber membrane Grant 9,533,266 - Xiao , et al. January 3, 2	2017-01-03
Reinforced oil-absorptive membrane material, unit and preparation method thereof App 20160317975 - Xiao; Changfa ; et al.	2016-11-03
Hollow tubular oil absorbing material and preparing method thereof App 20160256849 - Xiao; Changfa ; et al.	2016-09-08
Method for preparing aromatic polyamide porous hollow fiber membrane Grant 9,415,348 - Xiao , et al. August 16, 2	2016-08-16
Membrane formulation of fluorinated copolymer porous membrance and preparing method thereof App 20160075845 - Xiao; Changfa ; et al.	2016-03-17
Method for preparing aromatic polyamide porous hollow fiber membrane App 20160001234 - Xiao; Changfa ; et al.	2016-01-07
Method for preparing homogeneous braid-reinforced PPTA hollow fiber membrane App 20160001233 - Xiao; Changfa ; et al.	2016-01-07
Preparation method of perfluorinated polymer hollow fiber membrane Grant 9,211,503 - Xiao , et al. December 15, 2	2015-12-15
Composition for preparation of hollow fiber porous membrane and preparation method using the same Grant 9,095,819 - Xiao , et al. August 4, 2	2015-08-04
Preparation method of homogeneous-reinforced PVDF hollow fiber membrane App 20150096934 - Xiao; Changfa ; et al.	2015-04-09
Preparation method of enhanced-type polyacrylonitrile hollow fiber membrane App 20140326659 - Xiao; Changfa ; et al.	2014-11-06
Preparation method of perfluorinated polymer hollow fiber membrane App 20140311968 - Xiao; Changfa ; et al.	2014-10-23
Method for making liquid separation membrane Grant 8,722,146 - Liu , et al. May 13, 2	2014-05-13
Method For Making Liquid Separation Membrane App 20120276294 - LIU; Jianli ; et al.	2012-11-01
Method of preparing oil absorbing fibers Grant 8,110,525 - Xiao , et al. February 7, 2	2012-02-07
Composition For Preparation Of Hollow Fiber Porous Membrane And Preparation Method Using The Same App 20110147300 - XIAO; Changfa ; et al.	2011-06-23
Method Of Preparing Oil Absorbing Fibers App 20090306259 - XIAO; Changfa ; et al.	2009-12-10

uspto.report is an independent third-party trademark research tool that is not affiliated, endorsed, or sponsored by the United States Patent and Trademark Office (USPTO) or any other governmental organization. The information provided by uspto.report is based on publicly available data at the time of writing and is intended for informational purposes only.

While we strive to provide accurate and up-to-date information, we do not guarantee the accuracy, completeness, reliability, or suitability of the information displayed on this site. The use of this site is at your own risk. Any reliance you place on such information is therefore strictly at your own risk.

All official trademark data, including owner information, should be verified by visiting the official USPTO website at www.uspto.gov. This site is not intended to replace professional legal advice and should not be used as a substitute for consulting with a legal professional who is knowledgeable about trademark law.