EDWARD JOHN BALTHAZAR
Engineers in Charleston, WV
License number
Pennsylvania PE062638
Category
Engineers
Type
Professional Engineer
Address
Address
2
Charleston, WV 25320
Pennsylvania
Pennsylvania
Professional information
Edward Balthazar
Specialties:
Mathematics
Work:
University of Charleston
Process For Solubilizing Formaldehyde Oligomers
US Patent:
5179232, Jan 12, 1993
Filed:
Dec 19, 1990
Appl. No.:
7/631109
Inventors:
Edward J. Balthazar - Sissonville WV
Harold E. Bellis - Wilmington DE
Charles J. Denham - Charleston WV
Harold E. Bellis - Wilmington DE
Charles J. Denham - Charleston WV
Assignee:
E. I. Du Pont de Nemours and Company - Wilmington DE
International Classification:
C07C 51367, C07C 5901
US Classification:
562587
Abstract:
A process for solubilizing solid formaldehyde oligomers without contaminating the solution product with undesirable solvent products by treating the oligomer with heated hydroxyacetic acid.