US PATENT SUBCLASS 521 / 113
.~.~.~ Ingredient is aldehyde or ketone


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}
113.~.~.~ Ingredient is aldehyde or ketone


DEFINITION

Classification: 521/113

Ingredient is aldehyde or ketone:

(under subclass 99) Subject matter wherein the stated ingredient is a ketone or aldehyde.

SEE OR SEARCH THIS CLASS, SUBCLASS:

114, for the use of trioxane or paraformaldehyde as stated ingredients.

130, for the use of ketone as a stated ingredient.

SEE OR SEARCH CLASS

520, Synthetic Resins or Natural Rubbers, the Glossary, for a definition of the term "aldehyde" or "ketone".