Original document(24 pages) Authorized document(22 pages) 中文版
    In the manufacturing method of ethylene glycol and/or propylene glycol, these glycols can be prepared with a highly selectivity and at a high yield by applying the catalyst comprising a carboxylic acid and a carboxylic acid salt or a metal salt of formic acid alone.
Application Number
申请号		 86107894 Application Date
申请日		 1986.11.18
Title 名称 Prepn. of Ethylene glycol and/or propylene glycol
Publication Number
公开号		 1011477 Publication Date
公开日		 1987.06.10
Approval Pub. Date 1989.09.27 Granted Pub. Date 1989.09.27
International Classification 分类号 C07C29/00;C07C31/20
Applicant(s) Name
申请人		 Mitsui Toatsu Chemicals, Inc.
Address 地址
Inventor(s) Name 发明人 Katuyoshi Asano;Naomi Hori;Takayoshi Masuda
Attorney & Agent 代理人 LI LUOYING
More information 更  多  信  息


 Related patents information
Preparation process of polyoxyalkylene polyamine having terminal secondary amino group
Polyurethane resin and utilization thereof
Polyol, polyurethane resin and utilization thereof
Polyol and rigid polyurethane foam
Polyol and utilization thereof
Process for the preparation of polyurethane resin and rigid polyurethane foam
A process for the preparation of a rigid polyurethane foam composite
Hard polyaminoester foams and preparation of same
Production of hard polyamine ester foaming compound body
Google
Note:All patent data come from State Intellectual Property Office of the People's Republic of China. If there were discrepancies between here and the State Intellectual Property office, the later is more accurate. The patent data is only for public exchange and learning purposes. We are not responsible for the adverse consequences with unverified use of the data.