发明名称 |
Process for the preparation of the hydroxydiphenylamine ester of rosin acid |
摘要 |
The present invention relates to the preparation of the p-hydroxydiphenylamine ester of rosin acid. The process involves first reacting hydroquinone and aniline in the presence of a bentonite catalyst to form a reaction mixture containing p-hydroxydiphenylamine. To this reaction mixture is added rosin acid under esterification conditions to form the p-hydroxydiphenylamine ester.
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申请公布号 |
US5037956(A) |
申请公布日期 |
1991.08.06 |
申请号 |
US19890402722 |
申请日期 |
1989.09.05 |
申请人 |
THE GOODYEAR TIRE & RUBBER COMPANY |
发明人 |
WIDEMAN, LAWSON G.;KEITH, DENISE J. |
分类号 |
B01J21/16;B01J27/02;B01J27/06;B01J31/02;C07B61/00;C07C213/02;C07C213/06;C07C215/82;C07C219/34;C09F1/04 |
主分类号 |
B01J21/16 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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