A coated fabric having a cured, synthetic elastomeric compound bonded thereto in a fashion to control the final weight and other physical and chemical properties thereof. The method comprehends the exposure of a fabric to an elastomer during its pot life to allow it to penetrate the fabric under "blotting"...http://www.google.es/patents/US4146667?utm_source=gb-gplus-sharePatente US4146667 - Urethane coated fabric produced under blotting conditions
Urethane coated fabric produced under blotting conditions