Subject to all applicable provisions and limitations of the
Class 520 Class Definition, this class provides for solid synthetic
resins derived from at least one saturated material and from
A. a reactant which is a cellular material derived from a plant
or animal source (other than diatomaceous earth, blood, cotton,
or farinaceous flour),
B. a reactant which is a protein or biologically active polypeptide,
C. a reactant which is a carbohydrate or derivation thereof,
D. a lignin, tannin, or derivative thereof,
E. a reactant which is coal or bituminous material, an extract
or derivative thereof, or a fatty still residue,
F. a reactant which is a natural resin or derivative thereof
(other than tall oil or a derivative thereof).
This subclass is indented under Class 520, subclass
1. Subject matter wherein a solid polymer is derived from a
reactant which is a plant or animal material which retains at least
some of the original cell structure, e.g., citrus pulp, wood, flour,
etc., and excluding diatomaceous earth or fossilized matter (e.g.,
chalk, etc.), blood, cotton, or farinaceous flour or meal and a
reactant which an ethylenic monomer, SICP or SPFI; or process of
preparing said polymer.
(1)
Note. Soybean flour or meal is included herein, also peanut
and cottonseed meal.
(2)
Note. Included herein are fibrous materials such as bark obtained
from woody plants (e.g., mimosa bark, cork, etc.).
This subclass is indented under subclass 100. Subject matter wherein the reactant is a cellular material
derived from an animal source, e.g., hair, leather, fur, horn, etc.
This subclass is indented under subclass 101. Subject matter wherein there is at least one ethylenic reactant
in addition to the animal derived cellular material.
Synthetic Resins or Natural Rubbers,
subclass 238.1 for homo- and co-polymers of ethylenic monomers
having protein or biologically active polypeptide chemically bonded thereto.
This subclass is indented under subclass 100. Subject matter wherein the cellular material derived from
a plant is wood or wood cellulose (fiber or flour).
(1)
Note. Included herein is raw lignocellulose which is deemed
to be wood for the purpose of this subclass.
(2)
Note. Included herein as reactants are (e.g., wood fibers,
quebracho wood, etc.).
Synthetic Resins or Natural Rubbers,
subclass 238.21 for homo- and co-polymers or ethylenic monomers
having cellulose or a derivative chemically bonded thereto.
This subclass is indented under subclass 103. Subject matter wherein there is at least one reactant which
is an aldehyde or derivative in addition to the wood or wood cellulose
(fiber or flour) reactant.
This subclass is indented under Class 520, subclass
1. Subject matter wherein a solid polymer is derived from a
protein or biologically active polypeptide reactant and an ethylenic reactant,
SICP or SPFI; or process of preparing said polymer.
Synthetic Resins or Natural Rubbers,
subclass 238.1 for homo- and co-polymers of ethylenic monomers
having protein or biologically active polypeptide chemically bonded thereto.
This subclass is indented under subclass 201. Subject matter wherein a third reactant not having ethylenic
unsaturation is present.
(1)
Note. The reactant not having ethylenic unsaturation can
be added or present at any time prior to solid polymer formation
(e.g., protein and halogen) reacted to yield halogenated protein
followed by reaction with unsaturated monomer to yield solid polymer.
This subclass is indented under Class 520, subclass
1. Subject matter wherein a solid polymer is derived from a
carbohydrate or derivative reactant and an ethylenic reactant, a
SICP, or a SPFI; or process of preparing said polymer.
This subclass is indented under subclass 301. Subject matter wherein the carbohydrate or derivative is
oxyalkylated (e.g., treated with ethylene oxide, etc.).
This subclass is indented under subclass 300. Subject matter wherein a ketone reactant (excluding a ketose)
is present in addition to the carbohydrate or derivative.
(1)
Note. For purposes of the instant subclass, a ketose carbohydrate
(e.g., ketohexoses such as sorbose, fructose, etc.) and ketopentoses
such as arabinulose, ribulose and xylulose, etc., must be accompanied
by an additional noncarbohydrate ketone (e.g., acetone, etc.
This subclass is indented under subclass 300. Subject matter wherein an aldehyde or derivative (other
than an aldose) is present in addition to the carbohydrate or derivative.
(1)
Note. The aldose sugars are carbohydrates, but their presence
alone is not sufficient for this subclass since another aldehyde
must be present.
Synthetic Resins or Natural Rubbers,
subclass 238.2 for solid polymer produced from ethylenic monomer
only wherein at least one monomer has carbohydrate or derivative
chemically bonded thereto.
This subclass is indented under subclass 300. Subject matter wherein a phosporus-containing reactant is
present in addition to the carbohydrate or derivative.
This subclass is indented under subclass 300. Subject matter wherein in addition to the carbohydrate or
derivative there is a reactant system comprising a di- or higher
ester of polycarboxylic acid or a carboxylic acid or derivative
admixed with a polyhydroxyl compound.
(1)
Note. When the additional reactant is a polyol-polycarboxylic
acid system, the polyol, polycarboxylic acid, and carbohydrate can
be admixed and reacted in any sequence or simultaneously.
This subclass is indented under subclass 300. Subject matter wherein a nitrogen-containing reactant is
present in addition to the carbohydrate or derivative.
(1)
Note. Included herein are, for example, graft copolymers
of starch and acrylonitrile, etc.
Synthetic Resins or Natural Rubbers,
subclasses 238.2+ for solid polymers produced from ethylenic monomers only
wherein there is a monomer having carbohydrate or derivative chemically
bonded thereto.
This subclass is indented under subclass 313. Subject matter wherein there is a heterocyclic reactant
in addition to the ethylenically unsaturated reactant and wherein
the heterocyclic reactant is a noncarbohydrate containing material.
This subclass is indented under Class 520, subclass
1. Subject matter wherein a solid polymer is derived from lignin,
tannin, or a derivative as a reactant and an ethylenic monomer, SPFI,
or SICP; or process of preparing said polymer.
This subclass is indented under subclass 400. Subject matter wherein a N=C=X reactant
or polyepoxide reactant is present in addition to the lignin, tannin,
or derivative.
This subclass is indented under Class 520, subclass
1. Subject matter wherein a solid polymer is derived from coal
or bituminous material, extract or derivative thereof or fatty still residue
by means of chemical reaction with an ethylenic reactant, or SICP
or SPFI; or process of preparing said polymer.
(1)
Note. In the absence of specific disclosure to the contrary,
the coal, bituminous material, etc., will be treated as a nonethylenically
unsaturated material.
Synthetic Resins or Natural Rubbers, Glossary,
subclasses 59 and 705 for the definition of the terms coal, bituminous
material, extract or derivative thereof and fatty still residue.
Synthetic Resins or Natural Rubbers,
subclass 54.5 for the chemical combination of a solid polyepoxide
resin with coal, bituminous material, extract, or derivative thereof
or fatty still residue.
This subclass is indented under Class 520, subclass
1. Subject matter wherein a solid polymer is derived from a
reactant, which is a natural resin or derivative excluding tall
oil or derivatives, by means of chemical reaction with an ethylenic
reactant, a SICP or SPFI; or process of preparing said polymer.
Synthetic Resins or Natural Rubbers, Glossary, for the definition of the terms "natural
resin", "natural resin derivative", and "fatty
acid" which latter definition includes a discussion of
tall oil and its derivatives.
Synthetic Resins or Natural Rubbers,
subclasses 54.4+ for the definition natural resins (since they are
presumed to possess ethylenic unsaturation) with a preformed SICP
(liquid or solid).
This subclass is indented under subclass 600. Subject matter wherein a polyepoxide reactant is present
in addition to said natural resin or derivative.
This subclass is indented under subclass 602. Subject matter wherein an ethylenically unsaturated reactant
is present in addition to said phenolic reactant and said natural
resin or derivative.
This subclass is indented under subclass 600. Subject matter wherein a polycarboxylic acid or derivative
and a polyhydroxyl compound or salt thereof are present in addition
to said natural resin or derivative.
(1)
Note. Said polycarboxylic acid and polyhydroxyl compound can
be prereacted prior to admixture with the natural resin or derivative.
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