| Class Number |
Class Name |
Patents |
| 525/ |
Synthetic resins (class 520, subclass 1) |
0 |
| 525/901 |
Radial block |
94 |
| 525/902 |
Core-shell |
506 |
| 525/903 |
Interpenetrating network |
216 |
| 525/904 |
Activation of preformed polymer in absence or monomer, for subsequent polymerization thereon (e.g., trapped radicals) |
21 |
| 525/905 |
Polyphenylene oxide |
436 |
| 525/906 |
Polysulfone |
70 |
| 525/907 |
Polycarbodiimide |
31 |
| 525/908 |
Polymer containing a hydantoin group |
13 |
| 525/909 |
Polymer having a heterocyclic ring with at least three different elements within the ring |
4 |
| 525/910 |
Polymer from ethylenic monomers only, having terminal unsaturation |
37 |
| 525/911 |
Polymer from ethylenic monomers only, having terminal functional group other than unsaturation |
43 |
| 525/912 |
Polymer from nonethylenic monomers only, having pendant unsaturated group |
25 |
| 525/913 |
Polymer from monomers only having pendant glycidyl group |
37 |
| 525/914 |
Polymer from conjugated diene hydrocarbon or halohydrocarbons having more than 50 per cent 1,2-microstructure |
38 |
| 525/915 |
Polymer from monoethylenic cyclic hydrocarbon |
5 |
| 525/916 |
Polymer from ethylenic monomers only, having cationic group |
16 |
| 525/917 |
Polymer from at least one nonethylenic monomer having cationic group |
3 |
| 525/918 |
Polymer prepared by cationic polymerization |
28 |
| 525/919 |
Ionomer resins (carboxylate salt-containing copolymers) |
62 |
| 525/920 |
Polyurethane having terminal ethylenic unsaturation |
175 |
| 525/921 |
Polyester having terminal ethylenic unsaturation other than polyesterurethanes |
43 |
| 525/922 |
Polyepoxide polymer having been reacted to yield terminal ethylenic unsaturation |
161 |
| 525/923 |
Aminoplast having terminal ethylenic unsaturation |
12 |
| 525/924 |
Phenoplast having terminal ethylenic unsaturation |
4 |
| 525/925 |
Polymer from at least one nonethylenic monomer having terminal ethylenic unsaturation other than polyurethanes, polyesters, polyepoxides, aminoplasts, and phenoplasts |
36 |
| 525/926 |
Polyamide containing a plurality of oxyalkylene groups |
16 |
| 525/927 |
Polyamide admixed with oxyalkylene-containing polymer |
14 |
| 525/928 |
Polyimide or polyamide-acid formed by condensation of a polyamine with a polycarboxylic acid having at least three carboxyl groups or derivatives thereof |
60 |
| 525/929 |
Polyimide formed by addition of polyamine to an unsaturated bis-imide |
9 |
| 525/930 |
Reaction product of a polyhydric phenol and epichlorohydrin or diepoxide, having a molecular weight of over 5,000 (e.g., phenoxy resins) |
62 |
| 525/931 |
Blend of stated incompatibility |
65 |
| 525/932 |
Blend of matched optical properties |
33 |
| 525/933 |
Blend of limited gas permeability |
25 |
| 525/934 |
Powdered coating composition |
309 |
| 525/935 |
Matrix admixed with synthetic fiber |
42 |
| 525/936 |
Encapsulated chemical agent |
56 |
| 525/937 |
Utility as body contact (implant, contact lens, i.u.d., etc.) |
137 |
| 525/938 |
Polymer degradation |
49 |
| 525/939 |
Multipackage system |
43 |
| 525/940 |
Hydrogenation of a polymer |
60 |
| 525/941 |
Polymer mixture containing block copolymer is mixed or reacted with chemical treating agent |
33 |
| 525/942 |
Polymer derived from nitrile, conjugated diene and aromatic co-monomers |
59 |
