What follows are the subclasses from one class of the Manual of Classification for US patents. As you scroll through the list and encounter a class/subclass of interest, you can jump back to the top and retrieve patent titles by entering the class/subclass in the box below.
Enter a class/subclass code here to get a list of patent titles. Use
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363-131 121-55A 14-.5
that is, no embedded spaces, class and subclass seperated by a dash, and any
subclass letters capitalized. Currently Design Patent titles (those in the
classes of the form Dxx.yy) are not retreivable.
Class Number: 507
Class Title: COMPOSITIONS OR METHODS OF PREPARATION OR MERE METHODS OF
USING SAID COMPOSITIONS OR A COMPOUND: FOR EARTH BORING,
ETC
Subclass Subclass
Number Title
90 COMPOSITION FOR PREVENTING CONTAMINANT DEPOSITS IN PETROLEUM OIL
CONDUITS OR METHOD OF PREPARATION OR MERE METHOD OF USING SAID
COMPOSITION OR A COMPOUND
100 EARTH BORING COMPOSITION OR METHOD OF PREPARATION OR MERE METHOD
OF USING SAID COMPOSITION OR A COMPOUND
101 .Contains enzyme or living microorganism
102 .Contains intended gaseous component at entry into wellbore
103 .Contains organic component
104 ..Organic component is cellular or fibrous material derived from
plant or animal source (e.g., wood, nutshell, paper, leather,
cotton, etc.)
105 ..Organic component contains a carbon-fluorine bond
106 ..Organic component is lignin or humate or derivative thereof
(e.g., tannin, quebracho extract, etc.)
107 ...Humate component is fossilized (e.g., lignite, leonardite,
brown coal, etc.)
108 ...Lignin or humate component contains sulfur or is reacted with
substance containing sulfur (e.g., lignosulfonate, etc.)
109 ....With metal compound other than an alkali or alkaline earth
metal compound (e.g., Al, Cr, Fe, Mn, Cu, etc.)
110 ..Organic component is carbohydrate or derivative thereof (e.g.,
sugar or gum, such as galactomannan, xanthan, etc.) or ester
of an alcohol which has five or more hydroxy groups
111 ...Carbohydrate is starch, modified starch, or derivative
thereof
112 ...Carbohydrate is cellulose or derivative thereof
113 ....Carboxyalkylcellulose (e.g., CMC, CMHEC, etc.)
114 ....Hydroxyalkylcellulose (e.g., HEC, etc.)
115 ...Carbohydrate is hydroxyalkyl ether derivative (e.g., HPG,
etc.)
116 ...Ester is higher fatty or carbocyclic acid ester (e.g.,
sorbitan oleate, etc.)
117 ..Organic component is solid synthetic organic resin
118 ...Resin is polymer derived from ethylenic monomers only (e.g.,
maleic, itaconic, etc.)
119 ....Polymer contains (alk)acrylic monomer
120 .....(Alk)acrylic monomer contains nitrogen covalently bound to
an ethylenic moiety (e.g., acrylamide, acrylonitrile,
etc.)
121 ......(Alk)acrylic monomer contains nitrogen and sulfur
covalently bound to an ethylenic moiety
122 ....Polymer derived from monomer containing sulfur covalently
bound to an ethylenic moiety
123 ....Polymer derived from monomer having hetero nitrogen ring
covalently bound to an ethylenic moiety
124 ....Polymer contains vinyl alcohol unit
125 ....Polymer derived from monomer containing carbocyclic ring
covalently bound to an ethylenic moiety (e.g., styrene,
vinyl toluene, etc.)
126 ..Organic component is asphalt or a component or derivativee
thereof
127 ..Organic component contains covalently bound silicon
128 ..Organic component contains covalently bound phosphorous
129 ..Organic component contains covalently bound nitrogen
130 ...Nitrogen is part of hetero ring
131 ...Organic component contains covalently bound nitrogen and
covalently bound oxygen
132 ....Organic component contains direct covalent nitrogen-oxygen
bond (e.g., nitroaromatic, amineoxide, etc.)
133 ....Organic component contains covalently bound nitrogen and
ether linkage
134 ..Organic component contains covalently bound sulfur
135 ...Organic component contains direct covalent carbon-sulfur bond
(e.g., sulfonate, etc.)
136 ..Organic component contains ether linkage (e.g., PEG ether,
etc.)
137 ..Organic component contains a carbocyclic group (e.g., cyclic
alkyl, aromatic, tall oil, etc.)
138 ..Organic component is a fat, fatty alcohol, fatty oil,
ester-type wax, fatty still residue, or higher fatty acid or
salt thereof
139 ..Organic component contains an alcohol group
140 .Contains inorganic component other than water or clay
141 ..Inorganic component contains soluble potassium salt
142 ..Inorganic component contains phosphorous
143 ..Inorganic component is metal or alloy
144 ..Inorganic component is asbestos
145 ..Inorganic component is soluble in boring medium
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* CROSS REFERENCE ART COLLECTION RELATING TO SUBCLASSES 100-145
* ***************************************
901 ORGANICALLY MODIFIED INORGANIC SOLID
902 CONTROLLED RELEASE AGENT
903 CROSSLINKED RESIN OR POLYMER
904 PROCESS OF MAKING FLUIDS OR ADDITIVES THEREFOR
905 NONTOXIC COMPOSITION
906 SOLID INORGANIC ADDITIVE IN DEFINED PHYSICAL FORM
907 INDICATING MEANS (E.G., DYE, FLUORESCING AGENT, ETC.)
910 EARTH BORING FLUID DEVOID OF DISCRETE AQUEOUS PHASE