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Class Information
Number: 527/102
Name: Synthetic resins or natural rubbers -- part of the class 520 series > Synthetic resins (class 520, subclass 1) > 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. > Animal derived, e.g., hair, leather, horn, etc. > With ethylenic reactant
Description: Subject matter wherein there is at least one ethylenic reactant in addition to the animal derived cellular material.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 5763557 |
Grafting of a polymer onto cellophane by ultrasonic induced free radical polymerization |
Jun. 9, 1998 |
| 4504644 |
Protein derivative containing grafted ultraviolet-absorbing radicals, the process for its preparation and composition in which it is present |
Mar. 12, 1985 |
| 4464510 |
Process for the preparation of a material of composite structure |
Aug. 7, 1984 |
| 4447562 |
Amino-polysaccharides and copolymers thereof for contact lenses and ophthalmic compositions |
May. 8, 1984 |
| 4365050 |
Amino-polysaccharides and copolymers thereof for contact lenses and ophthalmic compositions |
Dec. 21, 1982 |
| 4267235 |
Polyglutaraldehyde microspheres |
May. 12, 1981 |
| 4229326 |
Method for producing graft copolymers of cellulose or protein fiber with vinyl monomers |
Oct. 21, 1980 |
| 4223013 |
Amitriptyline conjugates to antigenic proteins and enzymes |
Sep. 16, 1980 |
| 4111926 |
Hardening agent for gelatin and method for hardening gelatin |
Sep. 5, 1978 |
| 4108848 |
Method for hardening gelatin |
Aug. 22, 1978 |
| 4104444 |
Fiber reinforced chemically modified protein articles |
Aug. 1, 1978 |
| 4096137 |
Gelatin hardening agents |
Jun. 20, 1978 |
| 4057538 |
Method for hardening gelatin |
Nov. 8, 1977 |
| 4052373 |
Process for hardening gelatin |
Oct. 4, 1977 |
| 4043952 |
Surface treatment process for improving dispersibility of an absorbent composition, and product thereof |
Aug. 23, 1977 |
| 4028320 |
Method of hardening gelatin using sulfonyl compounds |
Jun. 7, 1977 |
| 4007143 |
Method of grafting monomers to wool with nitric acid |
Feb. 8, 1977 |
| 4007163 |
Method for hardening gelatin |
Feb. 8, 1977 |
| 4001201 |
Process for crosslinking hydrophilic colloids using vinyl substituted, SO.sub.2 containing, amine salt |
Jan. 4, 1977 |
| 3981857 |
Gelatin hardening process |
Sep. 21, 1976 |
| 3977954 |
Sensitized vapor phase photo-grafting of monomers onto surfaces |
Aug. 31, 1976 |
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