US PATENT SUBCLASS 530 / 373
.~.~.~ Zein

Current as of: June, 1999
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530 /   HD   CHEMISTRY: NATURAL RESINS OR DERIVATIVES; PEPTIDES OR PROTEINS; LIGNINS OR REACTION PRODUCTS THEREOF

350  DF  PROTEINS, I.E., MORE THAN 100 AMINO ACID RESIDUES {14}
370  DF  .~ Plant proteins, e.g., derived from legumes, algae or lichens, etc. {4}
372  DF  .~.~ Derived from grain, e.g., prolamines, etc. {4}
373.~.~.~ Zein

DEFINITION

Classification: 530/373

Zein:

(under subclass 372) Proteins having the structure of zein and compounds derived from these by addition to or deletion of parts of the polypeptide structure.

(1) Note. Physical Properties. Molecular Weight: greater than 38,000

(2) Note. Zein is the product of extracting gluten meal with dilute isopropanol.

(3) Note. CA Registry Number: 9010-66-6* [figure]

SEE OR SEARCH CLASS

516, Colloid Systems and Wetting Agents; Subcombinations Thereof; Processes of Making, Stabilizing, Breaking, or Inhibiting,

77+, for colloid systems of colloid-sized solid phase dispersed in aqueous continuous liquid phase, subclasses 98+ for colloid systems of continuous or semicontinuous solid phase with discontinuous liquid phase (gels, pastes, flocs, coagulates); or agents for such systems or making or stabilizing such systems or agents; in each instance, when generically claimed or when there is hierarchically superior provision in the USPC for the specifically claimed art.