Phillips Petroleum Company

Brenton E Jones

Robert E Reusser

Elizabeth A Claytor

Hydrocarbon, suitable for use as propellant, is contacted with a solid effective to remove odor-forming impurity therefrom. Hydrocarbons include isobutene-containing stream also containing minor proportions of unsaturated hydrocarbon, e.g. ethylene, propylene, isobutylene, and 2-butenes. Solids include an acid montmorillonite clay, aluminum chloride, AlCl.sub.3 .multidot.HCl, AlCl.sub.3 .multidot.RCl, at least one metal of Groups I, II, and III of the periodic table, and supported H.sub.3 PO.sub.4.

Removal of olefin from aliphatic hydrocarbon by treatment with active

Variable strength release coating compositions for use with adhesive tape or film comprise low release strength silicone-based polymers, a high release strength silicone-based polymer, a dihydroxyterminated polymer of a conjugated diene, an organotin or other metal catalyst, and an organo titanate.

Silicone polymer-based release coating agents having organic titanates

Material properties related to strength are measured, using a force measuring device in cooperation with a testing device which is placed in contact with the material being measured while the material being measured is in a molten state, the testing device being such that the molten material can flow through at least a part of the testing device.

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Bartlesville, OK, United States of America

Brenton E Jones