Back to results
US 4,393,150 AGranted
Adhesive bandage material
OwnerStanley Kresnerinventor
Life of this patent
Estimating the term…
Abstract
An adhesive bandage composition uses a blend of polyisobutylene, polybutene, butyl rubber with reinforcing fiber, filler material and zinc oxide blended under heat and rolled into a thin sheet. The sheet of adhesive material can be attached to a bandage material on one side and covered with a protective paper on the other and cut to shape for application to a body surface.
Claims4
An adhesive bandage material adapted to be formed into sheet material and applied to a bandage cloth comprising:
- a blend of 20-35% by weight of polyisobutylene and polybutene;
- 5-15% by weight of butyl rubber;
- 1-10% by weight of reinforcing fibers of aromatic polyamide fibers;
- 1/2-4% by weight of zinc oxide;
- talc filler material;
- and
- ethyl alcohol to thereby form a viscous material capable of being formed in a sheet for attachment to bandage cloth.
4 more elements
An adhesive material composition comprising:
- a blend of about 15% by weight of polyisobutylene and about 20% by weight of polybutene with about 10% by weight of butyl rubber, aromatic polyamide fibers, filler material, 1/2-4% by weight of zinc oxide and ethyl alcohol.
Dependencies are inferred from the claim text.