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Witco Chemical Corporation


Found in 2 Collections and/or Records:

John E. Mehren Chemical Industries Publications Collection

Identifier: 2018-017

A collection of chemical industry marketing materials and technical bulletins from 1932 to 1996 as collected and maintained by John E. Mehren on the behalf of the PM Chemical Company.

Dates: 1932-1992

Witco Stamp Collection

Identifier: 2003-020-001

A collection of international postage stamps and philatelic material depicting various aspects of chemistry and related sciences.

Dates: 1910-1983

Additional filters:

Chemical industry 1
Postage stamps 1
Postage-stamp albums 1
Publications 1
Science on postage stamps 1