US PATENT SUBCLASS 106 / 170.21
.~.~.~.~ With natural resin or derivative

Current as of: June, 1999
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106 /   HD   COMPOSITIONS: COATING OR PLASTIC

*  DD  COATING OR PLASTIC COMPOSITIONS {40}
162.1  DF  .~ Carbohydrate or derivative containing {15}
163.01  DF  .~.~ Cellulosic material {11}
168.01  DF  .~.~.~ Cellulose ester or salt thereof {21}
170.21.~.~.~.~ With natural resin or derivative

DEFINITION

Classification: 106/170.21

With natural resin or derivative:

(under subclass 168.01) Compositions which contain in

addition to the cellulose ester or salt thereof natural resin or a chemical modification of a natural resin.

(1) Note. Natural resins include but are not limited to shellac, copals from various sources (e.g., congo, manila, etc.), amber, dammar, dead dammar, gum rosin, rosin (colophony), tall oil (liquid rosin), wood rosin, burgundy pitch, gurjun balsam, canada balsam, sandrac, mastic, accroides, benzoin, elemi, gamboge, gum thus, venice turpentine, bordeaux turpentine, abietic acid, and pimaric acid.

(2) Note. Examples of derivatives included herein are hydrogenated, esterified, polymerized, or sulfurized resin, or salt thereof.

SEE OR SEARCH THIS CLASS, SUBCLASS:

164.41+, 169.18+ and 178.1, for compositions containing natural resin or derivative and lignocellulosic material, cellulose nitrate or cellulose ether or salt thereof.