Resources Contact Us Home
Browse by Category: Main > Material Science
Class Information
Number: 527/101
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.
Description: Subject matter wherein the reactant is a cellular material derived from an animal source, e.g., hair, leather, fur, horn, etc.

Sub-classes under this class:

Class Number Class Name Patents
527/102 With ethylenic reactant 22

Patents under this class:

Patent Number Title Of Patent Date Issued
6391939 Collagenic material useful in particular for preventing post-operative adhesions May. 21, 2002
5763557 Grafting of a polymer onto cellophane by ultrasonic induced free radical polymerization Jun. 9, 1998
4267235 Polyglutaraldehyde microspheres May. 12, 1981
4182695 Polyamide-fixed biologically active protein Jan. 8, 1980
4125631 Preparation for the manufacture of films comprising a collagenous material and liquid reaction product of a high molecular weight water-insoluble, organic material Nov. 14, 1978

  Recently Added Patents
Metal melting apparatus and method for melting metal
Advocate for facilitating verification for the online presence of an entity
Trimming circuit and semiconductor device
Method and mobile device for awareness of language ability
Relative pose estimation of non-overlapping cameras using the motion of subjects in the camera fields of view
Method and apparatus for image sensor packaging
Using storage cells to perform computation
  Randomly Featured Patents
Color diffusion-transfer photographic element
Tape rule with removable magnet assembly
Method for forming single crystals of silicon by use of a standing hypersonic wave
Viscosity modifier polymers
Ball marking device
Applying adhesive labels to products and product containers
Method for disinfecting and stabilizing organic wastes with mineral by-products
Snare-switch mechanism connected to the snareband of a snare drum
Method for manufacturing micro-machined switch using pull-up type contact pad
V-shaped retrievable anchor