US PATENT SUBCLASS 523 / 128
.~.~.~ Containing carbohydrate or cellular material derived from plant or animal

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

*  DD  SYNTHETIC RESINS (Class 520, Subclass 1) {1}
1  DF  .~ PROCESSES OF PREPARING A DESIRED OR INTENTIONAL COMPOSITION OF AT LEAST ONE NONREACTANT MATERIAL AND AT LEAST ONE SOLID POLYMER OR SPECIFIED INTERMEDIATE CONDENSATION PRODUCT, OR PRODUCT THEREOF {71}
124  DF  .~.~ Composition containing an additive which enhances degradation by environmental stimuli or process of preparing {2}
128.~.~.~ Containing carbohydrate or cellular material derived from plant or animal

DEFINITION

Classification: 523/128

Containing carbohydrate or cellular material derived from plant or animal:

(under subclass 124) Subject matter wherein said composition is degraded by or in the presence of a carbohydrate or a cellular material derived form a plant or animal source (e.g., tree bark, fibers, etc.)

(1) Note. See the Class 520 Glossary for a definition of the term "carbohydrate".

SEE OR SEARCH CLASS

524, Synthetic Resins or Natural Rubbers,

9, particularly the notes in the definition thereof, for a definition of the term "cellular material".