专利检索 ap:("BUCKMAN LABOR INC") AND inv:"FLANAGAN K" 第 1 页

1.

发明授权
Organic esters and their use as ultraviolet light absorbers and as heat stabilizers 失效
标题翻译：有机产品及其作为紫外线吸收剂和热稳定剂的用途

公开(公告)号：US3733297A

公开(公告)日：1973-05-15

申请号：US3733297D

申请日：1971-05-07

申请人： BUCKMAN LABOR INC

发明人： BUCKMAN S , FLANAGAN K , PERA J , WIENERT L

IPC分类号： C08K5/134 , C09K15/08 , C08F45/58 , C08B27/66 , C08G51/58

CPC分类号： C08K5/134 , C09K15/08 , Y10S514/972

摘要： THE PREPARATION AND USE OF BETABENZOYLOXY - 2'' - HYDROXYCHALCONES AS ULTRAVIOLET LIGHT ABSORANES AND HEAT STABILIZERS ARE DESCRIBED.

2.

发明授权
Dialkyl-3-acetyl-4-hydroxybenzyl phosphonates 失效
标题翻译：二乙基-3-乙酰基-4-羟基苯基磷酸酯

公开(公告)号：US3767735A

公开(公告)日：1973-10-23

申请号：US3767735D

申请日：1971-03-24

申请人： BUCKMAN LABOR INC

发明人： FENYES J , FLANAGAN K

IPC分类号： C07F9/40 , C08K5/5333 , C08F45/58

CPC分类号： C08K5/5333 , C07F9/4056

摘要： METAL MONO-, BIS-, AND TRIS-DERIVATIVES OF PHOSPHONIC ACID HALF-ESTERS USEFUL AS ULTRAVIOLET LIGHT ABSORBERS ARE PREPARED BY REACTING A DIALKYL-3-ACETYL-4-HYDROXYBENZYL PHOSPHONATE WITH AN ALKALI-METAL HYDROXIDE TO FORM THE ALKALIMETAL DERIVATIVE WHICH IS THEN CONVERTED TO THE BIS- OR TRISDERIVATIVE BY REACTION WITH A BI- OR TRIVALENT METAL CHLORIDE.