Joseph G Englert

US Patent:

52371140, Aug 17, 1993

Filed:

Jul 30, 1992

Appl. No.:

7/920689

Inventors:

Joseph F. Englert - La Place LA
Willie Harrison - New Orleans LA

Assignee:

E. I. Du Pont de Nemours and Company - Wilmington DE

International Classification:

C07C 1734
C07C 2121

US Classification:

570228

Abstract:

Quaternary ammonium phase transfer catalyst is removed from the dehydrochlorination product of 3,4-dichlorobutene-1 by treatment of the organic, chloroprene-containing phase with an oxy acid which combines with the catalyst to form a separate phase.

US Patent:

46058001, Aug 12, 1986

Filed:

Jan 17, 1983

Appl. No.:

6/458554

Inventors:

Joseph F. Englert - La Place LA
Louis J. Maurin - Wilmington DE
Clare A. Stewart - Wilmington DE

Assignee:

E. I. Du Pont de Nemours and Company - Wilmington DE

International Classification:

C07C 1734

US Classification:

570228

Abstract:

An improved process for the catalytic dehydrochlorination of 3,4-dichlorobutene-1 with aqueous alkali, wherein the effluent from the dehydrochlorination reactor is separated into phases, and the organic phase is steam-stripped at low temperature (below about 80. degree. C. ) to recover chloroprene product, while the steam stripper heels are returned to the dehydrochlorination reactor. A small portion of the heels are purged prior to being recycled. Most of the catalyst is recovered and returned to the reaction, but a small amount of make-up catalyst is added. Chloroprene made in this process is a valuable monomer which finds use in the manufacture of a broad line of synthetic elastomers of considerable industrial interest.

US Patent:

20020138412, Sep 26, 2002

Filed:

Mar 23, 2001

Appl. No.:

09/816023

Inventors:

Joseph Englert - San Francisco CA, US

International Classification:

G06F017/60

US Classification:

705/038000, 705/039000

Abstract:

A method and system for planning and estimating costs of an export transaction includes provision and use of a series of forms for orderly entry of information concerning the exporter, they buyer, the transaction, financing tools to be selected, for gathering costs for each of a number of financing alternatives, for evaluating risks and for calculating a total cost ratio of costs as compared to the entire transaction amount. The forms include work sheets to assist the lending officer or the exporter in evaluating risks, and for evaluating the total transaction based on all risk and cost information collected and analyzed, to the point of entering these data in a solution work sheet which displays the information in a simple and comprehensive format allowing the user to create an appropriate finance solution. The system also includes comparison of actual costs, as they come in, against the projected costs estimated in the virtual transaction.