US PATENT SUBCLASS 521 / 109.1
.~.~.~ Ingredient is carbohydrate, or natural resin

Current as of: June, 1999
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521 /   HD   SYNTHETIC RESINS OR NATURAL RUBBERS -- PART OF THE CLASS 520 SERIES

*  DD  SYNTHETIC RESINS (Class 520, Subclass 1) {3}
50  DF  .~ CELLULAR PRODUCTS OR PROCESSES OF PREPARING A CELLULAR PRODUCT, E.G., FOAMS, PORES, CHANNELS, ETC. {27}
99  DF  .~.~ Cellular product formation prior to or during solid polymer formation in the presence of a stated ingredient other than water {18}
109.1.~.~.~ Ingredient is carbohydrate, or natural resin

DEFINITION

Classification: 521/109.1

Ingredient is carbohydrate, or natural resin:

(under subclass 99) Subject matter wherein the stated ingredient is a carbohydrate, or natural resin, or derivatives thereof.

(1) Note. Note See the Glossary in the class definition of Class 520 for the definition of carbohydrate, natural resin, or derivatives of these materials.