|4525214||Crayon adapted for development of latent images|
A latent image development system comprising a substrate having a latent image thereon and an instrument for dispensing a color developing agent over the image. The image contains a carboxylic or organic sulfonic acid salt of zinc, mercury, copper, iron, ...
|4325997||Processable cellulose ester compositions|
This invention is directed to processable cellulose esters having excellent adhesion to metal substrates and weatherability. These commercially useful cellulose ester compositions can be molded, extruded over metal foils, shaped and otherwise processed in...
|4256505||Hot melt compositions|
Hot melt compositions of a cellulosic such as ethyl cellulose, an oil extender and a compatibilizing amount of a surfactant such as polyoxyethylene sorbitan monolaurate exhibit (1) reduced oil exudation and/or (2) increased compatibility of the components...