Acid soluble packer and workover fluid

Agent for treating textile

Alkali metal vapor generator

All solid state electrochromic device

Amine-substituted liquid crystal compositions

Amorphous copolymers of perfluoro-2,2-dimethyl-1,3-dioxole

Amorphous copolymers of perfluoro-2,2-dimethyl-1,3-dioxole

Anti-corrosive agent for metals

Anticorrosive agent

Apparatus for changing color

Apparatus for reactivation of active carbon and the like

Apparatus for the dry storage of heat-emitting radioactive mater

Aqueous gelable compositions having extended gelation time and m

Articles employing photochromic materials

Articles employing photochromic materials

Asymmetric dichroic dye molecules having poly(arylazo) linking g

Azine liquid crystal compounds for use in light-control devices