Pressure Chemical Co. founded in Pittsburgh, PA, USA
1964 – 1969
Specialists in organometallic and novel materials, business initially focused on supplying catalog products to research chemists at universities.
Start of Pressure Chemical’s involvement and core competency in polymer chemistry with work on mono-dispersed polystyrene MW Standards and involvement in the development of the first mono dispersed polystyrene MW standards for GPC.
Pilot Plant Preparation of Polystyrene of Very Narrow Molecular Weight Distribution
Timothy Altares Jr. and E. L. Clark
Product R&D 1970 9 (2), 168-171
1970 – 1979
Pressure Chemical begins to expand capabilities and services.
Pressure produces a line of cholesteric liquid crystals (CLCs) (temperature sensitive color changes):
- initially for a defense application
- Serendipitous application for CLCs identified
- Mood Rings.
CLCs grow and are picked up for numerous applications such as medical, cosmetic, security, and other novel materials.
1980 – 1999
Business focus shifts to service based support of process development/scale up and custom manufacturing.
Multiple commercial products launched: