Industrial Technology Research Institute

Tsung-Tsan Su

Ching-Te Chang

Hung-Chiao Cheng

Yu-Chen Cheng

Wen-Hann Chou

The present invention relates to a surface-treatment composition, a material and a hydrophobic film fabricated from the same. The composition of the invention comprises wax, silicone oil, C6 to C30 hydrocarbon mixtures, nano-particles and resin. The surface of materials treated with the composition of the present invention shows characteristics of nano roughness, low surface-energy, and low contact angle hysteresis.

Surface treatment composition, a material and a hydrophobic film fabricated from the same

An improved procedure for the manufacture of 2-hydroxyquinoxalines from reacting a dialkyl tartrate with a periodate, adjusting the pH of the resulting reaction mixture, and condensing said mixture with an o-phenylenediamine.

Preparation of 2-hydroxyquinoxaline

Compounds of the formula ##STR1## or pharmaceutically acceptable acid addition salts thereof (for example, a chloride) are useful as local anesthetics. In the compound of the formula (I), R is hydrogen or C.sub.1 -C.sub.14 alkyl, ALK is C.sub.1 -C.sub.4 alkylene, R.sub.1 and R.sub.2 may be the same or different and are hydrogen or C.sub.1 -C.sub.6 alkyl or R.sub.1 and R.sub.2 taken together form a 5 to 7 atom ring which contains 1 to 2 nitrogen atoms.

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Hsinchu, Taiwan

Tsung-Tsan Su