-
acquired the American,
Pennwalt Corporation and
along with M&T
Chemicals and
Atochem Inc
formed Atochem North America Inc.
Pennwalt can
trace its
roots to...
- lake's s**** had been
dumping effluent for an
extended period of time.
Pennwalt Chemical Corporation was
found to be the
worst polluter. Nicaragua's economic...
- new
facilities on the
property as well. In 1963,
Pennsalt (later
renamed Pennwalt)
built a new
research center in the King of
Prussia area, and
moved out...
- some 15 companies,
including Monsanto, Ciba,
Montrose Chemical Company,
Pennwalt, and
Velsicol Chemical Corporation.
Production peaked in 1963 at 82,000...
- for the "mesyl"
group coined by
Helferich et al. in 1938. In 1967, the
Pennwalt Corporation (USA)
developed a
different process for
dimethylsulfide (as...
- s**** had
freely dumped there for over a decade. The
worst polluter was
Pennwalt Corporation.
MARENA could not afford, however, to
build a
sewage treatment...
-
Strasenburgh Prescription Products, a
subsidiary of the Philadelphia-based
Pennwalt Corporation, for
exporting amphetamine tablets to its
Mexican subsidiary...
- the
Canadian chemist Saul Winstein. In 1954, he
began working for the
Pennwalt Corporation in its
research division,
where he
examined rocket propellants...
-
constructed in 1960, by
Wallace & Tiernan. A 1969
merger with
Pennsalt created Pennwalt, who
owned the
plant until it was
acquired by Elf
Aquitaine in 1990. In...
-
Federal Reserve Bank of
Philadelphia Three Discs, One Lacking, 1968,
Pennwalt/Levy Park,
Philadelphia Pittsburgh, Pennsylvania|Pittsburgh, 1958, Pittsburgh...
