Larry K. Butler
Engineering at Karen Ln, Lake Charles, LA
License number
Louisiana EI.0004920
Issued Date
Jan 1, 1900
Expiration Date
Sep 30, 2002
Category
Civil Engineer
Address
Address
2424 Karen Ln, Lake Charles, LA 70605
Professional information
Isocyanate Residue Purification
US Patent:
5962728, Oct 5, 1999
Filed:
Oct 31, 1997
Appl. No.:
8/961800
Inventors:
Robert W. Mason - Lake Charles LA
Farhad Fadakar - Lake Charles LA
Joseph P. Bridges - Lake Charles LA
Larry K. Butler - Lake Charles LA
Majid Keyvani - Lake Charles LA
Farhad Fadakar - Lake Charles LA
Joseph P. Bridges - Lake Charles LA
Larry K. Butler - Lake Charles LA
Majid Keyvani - Lake Charles LA
Assignee:
Arco Chemical Technology, L.P. - Greenville DE
International Classification:
C07C26320, C07C26318
US Classification:
560352
Abstract:
The present invention relates to a process for isolating aliphatic isocyanate monomer(s) from a liquid or viscous paste composition comprising polymeric isocyanate residues and the aliphatic isocyanate monomer(s), and for isolating solid polymeric isocyanate residue from said composition. Also disclosed is the aliphatic isocyanate monomer(s) and the solid polymeric isocyanate byproduct produced by this process.