Title:
METHOD OF CLEANING RESINS
Document Type and Number:
WIPO Patent Application WO/2018/145295
Kind Code:
A1
Abstract:
Provided is a method of cleaning a collection of resin beads, wherein the method comprises bringing the collection of resin beads into contact with an aqueous solution, wherein the aqueous solution comprises one or more dissolved amine compounds, wherein the collection of resin beads comprises polymer that comprises attached carboxylic acid groups or sulfonic acid groups or a mixture thereof.
Inventors:
COSTEUX CHUNXIA (US)
YANG LIU (CN)
ZU CHENGLI (US)
YANG LIU (CN)
ZU CHENGLI (US)
Application Number:
PCT/CN2017/073210
Publication Date:
August 16, 2018
Filing Date:
February 10, 2017
Export Citation:
Assignee:
DOW GLOBAL TECHNOLOGIES LLC (US)
COSTEUX CHUNXIA (US)
YANG LIU (CN)
ZU CHENGLI (US)
COSTEUX CHUNXIA (US)
YANG LIU (CN)
ZU CHENGLI (US)
International Classes:
B01J20/285; B01J20/26; B01J20/34; B01J38/66; B01J49/00
Domestic Patent References:
| WO2007028034A2 | 2007-03-08 | |||
| WO2000069559A1 | 2000-11-23 |
Foreign References:
| CA991945A | 1976-06-29 | |||
| CN103910822A | 2014-07-09 | |||
| CN104017151A | 2014-09-03 | |||
| JP2000290419A | 2000-10-17 | |||
| US4496667A | 1985-01-29 |
Other References:
See also references of EP 3579969A4
Attorney, Agent or Firm:
SHANGHAI PATENT & TRADEMARK LAW OFFICE, LLC (CN)
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