Patent search ap:("BASF AG") AND inv:"WILHELM H" Page 1

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发明授权
Polycondensates of diamides,n,n'-ureas and formaldehyde admixed with oxymethylene polymers 失效
Title translation: 聚氧乙烯醚，N，N'-环氧丙烷和甲氧基聚氧乙烯醚聚氧乙烯聚氧乙烯

公开(公告)号：US3836605A

公开(公告)日：1974-09-17

申请号：US33915973

申请日：1973-03-08

Applicant: BASF AG

Inventor： RICKER E , WILHELM H , SCHWARTZ E , SPERBER H , SANDER B , SCHMIDT F

IPC: C08G12/04 , C08G12/34 , C08L59/02 , C08L61/20 , C08G37/32 , C08G51/58

CPC classification number: C08G12/34 , C08G12/046 , C08K5/005 , C08L59/02 , C08L61/20

Abstract: A PROCESS FOR THE PRODUCTION OF POLYCONDENSATES BY POLYCONDENSING IN AQUEOUS ACID MEDIUM (A) DIAMIDES OF DICARBOXYLIC ACIDS HAVING AT LAST FOUR CARBON ATOMS, (B) N,N''-SUBSTITUTED UREAS AND (C) FORMALDEHYDE, PRODUCTS OBTAINED IN THIS WAY AND A STABILIZIED MOLDABLE ADMIXTURE OF SAID POLYCONDENSATES WITH OXYMETHYLENE POLYMERS.

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