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Inventor: Endo; Kiyoshi
Address: Osaka, JP
No. of patents: 3
Patents:
| Patent Number |
Title Of Patent |
Date Issued |
| 7524252 |
Golf ball |
April 28, 2009 |
| The object of the present invention is to improve the resilience and the durability of the golf ball to be obtained by reducing the content of trans-1,4-bond in a one-piece golf ball using a polybutadiene having a high content of cis-1,4-bond. The one-piece golf ball of the present i |
| 5332794 |
Process of preparing butadiene-styrene copolymer with nickel compound and alkylaluminoxane compo |
July 26, 1994 |
| A process is provided for preparing butadiene-styrene copolymers having cis-1,4 configuration of at least 80% of butadiene units, bound styrene contents of 2 to 55% and no homopolystyrene. The copolymers are prepared with a new catalyst system having high polymerization activity. The |
| 5102957 |
Novel block copolymer of styrene and ethylene |
April 7, 1992 |
| A novel method is proposed for the preparation of a block copolymer of styrene and ethylene having a very narrow molecular weight distribution and controlled molar ratio of the styrene moiety to ethylene moiety in a high efficiency. The method comprises the steps of: (a) living-polym |
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