1. Compounding with Non-black Fillers; Educational Symposium 4; Presented at the Rubber Conference, ACS, Cleveland, Ohio, 1979.
2. (to Goodrich). Patent EP 037946 A2 (10/21/81).
3. ; (to Goodyear Tire and Rubber Co.), EP 161201 A (1985).
4. ; Patent ES 2009241 A6 (9/16/89).