Monsanto Company

LeMoyne W Plischke

William M Baggett

Darrell A Kelly

Harold M Familant

Franklin T Osborne

Hsiang-Sheng Shen

Joseph M Kiefer

A process for dissolving copper in an aqueous nylon salt solution without dissolving other substances is provided by applying an electrical potential between two copper electrodes immersed in the solution. Upon melt polymerization of the salt solution, copper is incorporated into the resulting nylon. The amount of copper dissolved in the solution can be closely monitored and controlled.

Electrochemical process for incorporating copper in nylon

Crimped side-by-side bicomponent filaments consisting of a polyester and CaF.sub.2 are produced in whichthe CaF.sub.2 is dispersed in only one of the components.

Crimped polyester filament

An improved process for making point-bonded nonwoven fabric composed of crimped filaments is described. The process involves melt spinning a side-by-side bicomponent filament which develops crimp at precisely the right instant so as to provide a uniform, high quality nonwoven fabric having a soft hand and other desirable apparel qualities.

Process for manufacturing nonwoven fabrics composed of crimped filaments

Crimped side-by-side bicomponent filaments consisting of a polyamide and CaF.sub.2 are produced in which the CaF.sub.2 is dispersed in only one of the components.

Crimped polyamide filament

A process for incorporating CaF.sub.2 into polyamides is described. The process involves reacting a calcium salt with a fluoride salt in molten polyamide.

Growing community of inventors

Pensacola, FL, United States of America

LeMoyne W Plischke