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.

公开(公告)号：US3661812A

公开(公告)日：1972-05-09

申请号：US3661812D

申请日：1970-11-23

Applicant: BASF AG

Inventor： BUCHNER ANTON ,  LANG HANS ,  LENZ JOHANN ,  UNTERSTENHOEFER LEO ,  KRIEGER WILHELM

IPC: C08J9/30 ,  C09K17/16 ,  C08J1/16

CPC classification number: C08J9/30 ,  C08J2361/24 ,  C09K17/16

Abstract: A PROCESS FOR IMPROVING THE FLOWABILITY OF AMINOPLAST FOAMS PRIOR TO CURING, PARTICULARLY FOR COVERING SOIL, BY INCORPORATING COARSE GAS BUBBLES INTO FOAM CONTAINING FINE BUBBLES.

公开(公告)号：US3482353A

公开(公告)日：1969-12-09

申请号：US3482353D

申请日：1967-06-12

Applicant: BASF AG

Inventor： FISCHER MAX ,  SCHEUERMANN HANS ,  KLAASSEN HERMANN ,  LENZ JOHANN

IPC: C05C9/02 ,  A01G7/00

CPC classification number: C05C9/02 ,  Y10S111/915 ,  C05G1/00 ,  C05D9/00