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Class Information
Number: 527
Name: Synthetic resins or natural rubbers -- part of the class 520 series >
Description: 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










Class Number Class Name No. of Patents
 

Synthetic resins (class 520, subclass 1)

 
527/300

From carbohydrate or derivative as a reactant

222
527/313

Ethylenically unsaturated reactant

173
527/314

Unsaturated carboxylic acid or derivative reactant

196
527/315

With heterocyclic reactant other than carbohydrate

66
527/305

With aldehyde or derivative as a reactant other than as an aldose

36
527/306

Ethylenically unsaturated reactant

23
527/309

Nitrogen-containing reactant

39
527/311

With di- or higher ester of polycarboxylic acid; or with polycarboxylic acid or derivative and a compound containing two or more hydroxyl groups or salts thereof as reactants

82
527/304

With ketone reactant other than as a ketose

6
527/301

With n=c=x reactant wherein x is chalcogen

94
527/302

Oxyalkylated carbohydrate

19
527/312

With nitrogen-containing reactant

208
527/303

With phenolic reactant

36
527/310

With phosphorus-containing reactant

22
527/500

From coal or bituminous material, extract or derivative thereof, or fatty still residue reactant

30
527/503

With phenolic reactant or aldehyde reactant

6
527/501

With polyepoxide reactant or n=c=x reactant wherein x is chalcogen

6
527/400

From lignin, tannin, or derivative reactant

89
527/401

With n=c=x reactant wherein x is chalcogen or polyepoxide reactant

28
527/403

With phenolic reactant

43
527/600

From natural resin or derivative reactant excluding tall oil or derivative

50
527/602

With phenolic reactant

18
527/603

With ethylenically unsaturated reactant

16
527/604

With polycarboxylic acid or derivative and a compound having two or more hydroxyl groups as reactants

29
527/601

With polyepoxide reactant

9
527/200

From protein or biologically active polypeptide reactant

68
527/205

With aldehyde or derivative or ketone reactant

23
527/206

With phenolic reactant

8
527/207

With carboxylic acid or derivative reactant

37
527/201

With ethylenically unsaturated reactant

116
527/202

Polymerization in the presence of a specified material

57
527/203

With nonethylenically unsaturated reactant

48
527/204

With n=c=x reactant wherein x is chalcogen

27
527/100

From reactant which is a cellular material derived from plant or animal source and is other than diatomaceous earth, blood, cotton, or farinaceous flour, e.g., citrus pulp, walnut shell flour, etc.

28
527/101

Animal derived, e.g., hair, leather, horn, etc.

5
527/102

With ethylenic reactant

22
527/103

Wood or wood cellulose fiber or flour

64
527/105

With aldehyde or derivative

22
 
 
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