发明授权
- 专利标题: Bis-(4-hydroxy-3 5-dialkylbenzyl) carboxylic acid esters
- 专利标题(中): BIS-(4-羟基-3,5-二烷基苄基)羧酸酯
-
申请号: US3646110D申请日: 1968-03-18
-
公开(公告)号: US3646110A公开(公告)日: 1972-02-29
- 发明人: EGGENSPERGER HEINZ , FRANZEN VOLKER , DIEHL KARL-HEINZ , KLOSS WILFRED
- 申请人: ADVANCE PROD GMBH
- 专利权人: Advance Prod Gmbh
- 当前专利权人: Advance Prod Gmbh
- 优先权: DED0052555 1967-03-17
- 主分类号: C07C69/66
- IPC分类号: C07C69/66 ; C07C69/73 ; C07C69/732 ; C07C69/76 ; C08K5/10 ; C08K5/134 ; C08K5/17 ; C08L23/02 ; C08L27/00 ; C09K15/08 ; C07C121/76 ; C08F45/58
摘要:
BIS - (4 - HYDROXY -3,5 - DIALKYLBENZYL) CARBOXYLIC ACID ESTERS, PARTICULARLY THOSE OF CYANOACETIC AND MOLONIC ACID, ARE STABILIZERS FOR RESINS. THEY ARE PREPARED BY REACTING 2 MOLES OF THE CORRESPONDING BENZYL HALIDES OR MANNICH BASES WITH 1 MOLE OF CARBOXYLIC ACID ESTER.
信息查询