Anticipate This!™ | Patent and Trademark Law Blog

They Invented What? (No. 69)

Posted in General Commentary by Jake Ward on October 23, 2018

Anticipate This!™ | Patent and Trademark Law Blog

U.S. Pat. No. 6,033,608:  Method for making foam rubber tree bark-configured articles having manmade textiles backings.

 rubberbark 

What is claimed is:

1. A method of forming a tree bark-configured rubber article having a manmade textile backing comprising the sequential steps of

(a) providing a rubber composition comprising
at least one rubber selected from the group consisting of acrylonitrile-butadiene rubber (NBR), styrene-butadiene rubber (SBR), and mixtures thereof;
at least one nitrogen-containing blowing agent;
optionally, an ozone-resistance agent being ethylene-propylene-diene (EPDM); and
optionally, at least one other additive selected from the group consisting of an antistatic agent, a perfume, a scent, a colorant, a dye, a pigment, and mixtures thereof;
(b) placing said rubber composition over a silicon-based mold, wherein said mold is a relief of at least a portion of the bark of a tree;
(c) placing at least one layer of a textile of sufficient size to cover at…

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