US PATENT SUBCLASS 156 / 76
.~.~ With parchmentizing or transparentizing

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


156 /   HD   ADHESIVE BONDING AND MISCELLANEOUS CHEMICAL MANUFACTURE

1  DF  METHODS {7}
60  DF  .~ Surface bonding and/or assembly therefor {93}
76.~.~ With parchmentizing or transparentizing

DEFINITION

Classification: 156/76

(under subclass 60) Processes combined with the step of treating at least one lamina composed of cellulosic material with a reagent either to alter the surface characteristic of the lamina such that it simulates the skin of an animal or alter the normally opaque quality of the lamina such that it has the property of transmitting rays of light.

(1) Note. The reagent may be Zn C12, H2 SO4, etc.

SEE OR SEARCH CLASS

8, Bleaching and Dyeing; Fluid Treatment and Chemical Modification of Textiles and Fibers,

118+, for processes of transparentizing or parchmentizing cellulosic fibers not combined with a liminating procedure.

162, Paper Making and Fiber Liberation, 187, for processes combined with the step of gelatinizing paper.