EP 0000463 B1 19820106 - METHOD FOR SEPARATING TOLUENE DIISOCYANATE FROM FABRICATION PROCESS RESIDUES
Title (en)
METHOD FOR SEPARATING TOLUENE DIISOCYANATE FROM FABRICATION PROCESS RESIDUES
Publication
Application
Priority
FR 7721436 A 19770712
Abstract (en)
[origin: ES471637A1] A process for the continuous and automatic separation of toluene diisocyanate, without decomposition, from distillation residues comprising evaporating toluene diisocyanate in an agitated, scraped evaporator, under a vacuum of about 1 mm Hg to about 50 mm Hg and at a temperature of about 210 DEG C. to about 250 DEG C., with a minimum residence time, preferably about 15 minutes, in an evaporator, and continuously extracting the remaining components of the residue.
IPC 1-7
IPC 8 full level
B01D 3/10 (2006.01); C07C 67/00 (2006.01); C07C 265/14 (2006.01); C07C 241/00 (2006.01); C07C 263/20 (2006.01); C07C 265/12 (2006.01)
CPC (source: EP US)
B01D 3/10 (2013.01 - EP US); C07C 263/20 (2013.01 - EP US); Y10S 159/10 (2013.01 - EP US)
C-Set (source: EP US)
Designated contracting state (EPC)
BE DE FR GB LU NL
DOCDB simple family (publication)
EP 0000463 A1 19790124; EP 0000463 B1 19820106; AR 214462 A1 19790615; AU 3790278 A 19800117; AU 522377 B2 19820603; BR 7804465 A 19790320; CA 1094090 A 19810120; DD 138314 A5 19791024; DE 2861504 D1 19820225; DK 154426 B 19881114; DK 154426 C 19890410; DK 310578 A 19790113; ES 471637 A1 19790201; FR 2397396 A1 19790209; FR 2397396 B1 19800118; IE 47024 B1 19831130; IE 781366 L 19790112; IN 148484 B 19810307; IT 1111627 B 19860113; IT 7868483 A0 19780623; JP S5419938 A 19790215; JP S612057 B2 19860122; PT 68171 A 19780701; SU 1264840 A3 19861015; US 4216063 A 19800805
DOCDB simple family (application)
EP 78400051 A 19780703; AR 27279378 A 19780630; AU 3790278 A 19780710; BR 7804465 A 19780711; CA 307196 A 19780711; DD 20662978 A 19780710; DE 2861504 T 19780703; DK 310578 A 19780711; ES 471637 A 19780711; FR 7721436 A 19770712; IE 136678 A 19780707; IN 453DE1978 A 19780620; IT 6848378 A 19780623; JP 8412978 A 19780712; PT 6817178 A 19780615; SU 2634047 A 19780712; US 91858178 A 19780623