The 17 employees at the BBDO Houston office will be laid off and the office will finish out contractual obligations for clients like Shell Chemicals.
He was head of technology in Shell Chemicals.
The estate was leased on 1 October 1968 to Shell Chemicals, who in 1957 had purchased a propylene oxide plant along the moss's northern edge.
Unlike many other engineering plastics, aliphatic polyketones such as Shell Chemicals' Carilon are relatively easy to synthesize and can be derived from inexpensive monomers.
Companies Goodyear Tire and Rubber said that it had agreed to sell its polyester resin business to Shell Chemical.
After working as a process operator for Shell Chemicals, Verhaas qualified as a class 1 snooker referee in 1990.
At Shell Chemicals 30 women take up 9.3 per cent of the managerial positions.
Since the explosion of 1973 and 1988, a group called the Concerned Citizens of Norco has attempted to engage in open discussions with Shell Chemical LP.
"Concerned Citizens of Norco Reach Agreement with Shell Chemical."
Dewey served in the US Air Force before joining Shell Chemicals as a non-degreed engineer.