Patent search ap:("BASF AG") AND inv:"BRUNNMUELLER FRIEDRICH" Page 1

1.

发明授权
3,6 - endoethyleno - 4 - cyano - cyclohexanedicarboxylic - (1,2) - anhydride and process for diels-alder addition using cyclohexa - 3,5 - diene - trans - 1,2 - dicarboxylic acid 失效
Title translation: 3,6-三羟基 - 4-氰基 - 环己烷二羧酸 - （1,2） - 使用环己基 - 3,5-二苯基 - 1,2 - 二羧酸的二异丙醇 - 壬酸加成的方法

公开(公告)号：US3522277A

公开(公告)日：1970-07-28

申请号：US3522277D

申请日：1968-05-28

Applicant: BASF AG

Inventor： SUTER HUBERT , BRUNNMUELLER FRIEDRICH

IPC: C08G59/42 , C08G63/553 , C07C61/28 , C07C69/74 , C07C121/48

CPC classification number: C08G63/553 , C08G59/4215

2.

发明授权
Manufacture of stable urea/formaldehyde resins in a three stage reaction 失效
Title translation: 稳定尿素/甲醛树脂在三阶段反应中的制备

公开(公告)号：US3896087A

公开(公告)日：1975-07-22

申请号：US27105472

申请日：1972-07-12

Applicant: BASF AG

Inventor： BRUNNMUELLER FRIEDRICH , HENKEL HELMUT , LENZ JOHANN

IPC: B27K3/15 , C08G12/12 , C08L61/24 , C08L61/28 , C08G9/10

CPC classification number: C08G12/12 , B27K3/15 , C08L61/24 , C08L61/28 , C08L97/02 , C08L61/20

Abstract: Manufacture of impregnating urea/formaldehyde resins in which, in order to achieve particularly high rates of impregnation, urea and formaldehyde are condensed in acid solution until waterincompatibility commences, whereupon the mixture is treated with formaldehyde followed by urea.

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