发明授权
- 专利标题: Process for NPN ruminant feed supplement
- 专利标题(中): NPN反刍动物饲料补充方法
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申请号: US638718申请日: 1975-12-08
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公开(公告)号: US4006253A公开(公告)日: 1977-02-01
- 发明人: Kenneth L. Berger , Ronald J. Amen , Jorge J. Nassar , William B. Benken
- 申请人: Kenneth L. Berger , Ronald J. Amen , Jorge J. Nassar , William B. Benken
- 申请人地址: CA Palo Alto
- 专利权人: Syntex (U.S.A.) Inc.
- 当前专利权人: Syntex (U.S.A.) Inc.
- 当前专利权人地址: CA Palo Alto
- 主分类号: A23K10/32
- IPC分类号: A23K10/32 ; A23K50/15 ; C07C67/00 ; C07C239/00 ; C07C273/02 ; A23K1/14
摘要:
An NPN ruminant feed supplement having a high percentage of chemically bound urea is prepared from cellulose commodities by an efficient process involving reaction with urea and a concentrated mineral acid.
公开/授权文献
- US5743037A Foldable ornamental sign 公开/授权日:1998-04-28
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