1. Thermoplastic elastomers;Meckel,1996
2. Bayer O, Rinke H, Siefken W, Ortner L, Schild H. German Patent 728 981 (1937, to Farben IG.).
3. Christ RE, Hanford WE. U.S. Patent 2,333,639 (1940, to DuPont).
4. British Patent 580 524 (1941, to ICI Ltd.), British Patent 574 134 (1942, to ICI Ltd.).
5. Martin TG, Seeger NV. U.S. Patent 2,625,535 (1953, to Goodyear Tire & Rubber Co.).