Abrasion-resistant, fire-retardant conductive wire utilizes a single insulating layer of irradiation cross-linked PVC. Cross-linking is brought about by means of a difunctional monomer. Plasticizers necessary in ordinary cross-linked PVC may be eliminated in certain compositions.

An electrical assembly comprises a plurality of discrete resistors connected together in stacked relationship. Each of the discrete resistors comprises a dielectric substrate having an aperture extending therethrough and a film of resistance material secured thereon. A spacer supported in each of the apertures has means preventing rotation of the spacer relative to the dielectric substrate and interfits with an adjacent spacer to prevent relative rotation of the two spacers. Terminals extend thr...

A novel polyamide containing in its main molecular chain a recurring structural unit of .alpha.,.omega.-alkylene hexahydroterephthalamide having the general formula, ##SPC1## Wherein n is an integer of 11-13, is melt-spinnable and drawable to form fibers superior in strength, Young's modulus and dye receptivity and which possess special luster and hand. The content of the said unit in the polyamide is preferably at least 3 percent by mole. Polymers of this invention include a homopolyamide and c...

"Acrylic" aminmides are prepared from "acrylic" acids or derivatives thereof. The "acrylic" aminimides can be homopolymerized and copolymerized to result in functional group-containing polymeric products capable of thermosetting. The "acrylic" aminimides have the general formula: ##SPC1## Wherein R is a hydrogen, lower alkyl (C.sub.1 -C.sub.6), aryl, chlorine, fluorine, bromine, or cyano group and R.sub.1, R.sub.2, and R.sub.3 are hydrocarbon radicals and R.sub.1 and R.sub.2 can be combined to f...

An inking pad is formed of a porous mat of glass fibers bonded with a thermosetting resin binder, the mat providing an ink reservoir which disperses ink contained therein to the surface thereof. The pad preferably also includes a cloth cover on the surface of the mat providing an inking surface on the pad. An ink applicator constitutes the inking pad and ink contained therein. An inking pad unit includes a holder for the inking pad, having structure for mounting in an inking device. An inking de...

Pyrazomycin is a new antibiotic produced by the fermentation of Streptomyces candidus NRRL 3601, having antiviral and antifungal activity.

The invention concerns a torque converter in which multidirectional input is converted to unidirectional output. The invention also concerns a rotary engine giving multidirectional output in combination with the converter to give unidirectional output therefrom. The converter includes two unidirectional clutches, one reversed with respect to the other, and a reversing means for enabling input in both clockwise and anticlockwise directions to be converted to unidirectional output.

Bacteria are preserved by centrifuging a broth culture, mixing the bacterial sediment with gelatin, diethylaminoethyl dextran and monosodium glutamate, and drying at ambient temperature on a non-adhering support surface. The product is useful as a control for test procedures and reagents.

Improvements in secondary recovery operations for the recovery of oil, and improvements in well drilling operations, are accomplished through the use of aqueous mediums comprising new aqueous gels prepared from water and cellulose ethers.

An antibiotic complex designated bleomycin was produced by fermentation of Streptomyces verticillus A.T.C.C. 15003 and found to inhibit the growth of Gram-negative and Gram-positive and acid-fast bacteria as well as certain plant pathogens and to inhibit the growth of HeLa cells in tissue culture and to inhibit the growth of certain experimental tumors in mice.