Halide free corrosion inhibitors

Halide free corrosion inhibitors

Halide free octahydrophenanthridine corrosion inhibitors

Halogen compound promoted Al.sub.2 O.sub.3 and/or SiO.sub.2 for

Halogen derivatives of ascorbic acid and D-araboascorbic acid an

Halogen resistant copper corrosion inhibitors

Halogen resistant copper corrosion inhibitors

Halogenated organoaluminum compounds and method of preparation

Halogenation process in the presence of cyanoquinone catalyst

Hals phosphonites as stabilizers

Heat resistant catalyst for the production of sulfuric acid for

Heat transfer compositions comprising renewably-based...

Heat-resistant and corrosion-resistant composition

Heating silica gel in inert atmosphere before activation

Heavy crude conversion

Heavy metal-manganese oxidation catalysts and process of produci

Hemoperfusion adsorbents

Heteric/block polyoxyalkylene compounds as crude oil demulsifier

Heteroaryl substituted hydroxyphenyltriazine uv-absorbers

Heterocyclic benzoate ultraviolet stabilizers and their use in o