| 摘要 |
1,177,506. Anticoagulant. NATIONAL RESEARCH DEVELOPMENT CORP. 3 Aug., 1967 [24 Aug., 1966], No. 38029/66. Addition to 1,094,301. Heading A5B. [Also in Division C3] The thrombin-like defibrinating enzyme present in Ancistrodon Rhodostoma (the Malayan pit viper) is recovered by adsorption on and recovery from a weakly basic anion exchange material and gel filtration. The product may be used in pharmaceutical compositions.
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