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Patent Searching and Data


Title:
SEWER LINE CLEANER
Document Type and Number:
WIPO Patent Application WO/2019/090511
Kind Code:
A1
Abstract:
A sewer line cleaner, prepared by the following raw materials in parts by weight: 5-10 parts of ammonium hydroxide, 1-5 parts of lipase, 20-30 parts of triammonium citrate, 14-17 parts of chloroform, 11-14 parts of ethylenediaminetetraacetic acid, 8-13 parts of potassium hydroxide, 3-9 parts of sodium gluconate, 6-15 parts of a polycarboxylate water-reducing agent, 5-10 parts of a surface active agent, 8-12 parts of a corrosion inhibitor, 1-10 parts of a penetrating agent, and 100-200 parts of water. The surface active agent comprises (in percentage by volume) 10-50% of polyglycol ether, 10-50% of ethylene glycol monobutyl ether, and 40-70% of ammonium oxide. The corrosion inhibitor comprises (in percentage by volume) 3-8% of phosphonocarboxylic acid, 10-30% of polyaspartic acid, 40-60% of sulfonated lignin, and 20-40% of benzotriazole.

Inventors:
ZHOU CHANGGUI (CN)
Application Number:
PCT/CN2017/109925
Publication Date:
May 16, 2019
Filing Date:
November 08, 2017
Export Citation:
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Assignee:
SUZHOU RONG NENG ENVIRONMENTAL PROTECTION TECH CO LTD (CN)
International Classes:
C11D1/72; C11D3/04; C11D3/20; C11D3/24; C11D3/26; C11D3/33; C11D3/36; C11D3/37; C11D3/386; C11D3/60
Foreign References:
CN103074167A2013-05-01
CN104845435A2015-08-19
CN105296177A2016-02-03
CN107805549A2018-03-16
Attorney, Agent or Firm:
SUZHOU ZHOUZHI PATENT AGENCY (CN)
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