发明授权
- 专利标题: Production of acid soluble humates
- 专利标题(中): 生产酸溶性腐殖酸盐
-
申请号: US592270申请日: 1996-01-26
-
公开(公告)号: US5663425A公开(公告)日: 1997-09-02
- 发明人: William J. Detroit , Stuart E. Lebo, Jr. , Lori L. Bushar
- 申请人: William J. Detroit , Stuart E. Lebo, Jr. , Lori L. Bushar
- 申请人地址: WI Rothschild
- 专利权人: LignoTech USA, Inc.
- 当前专利权人: LignoTech USA, Inc.
- 当前专利权人地址: WI Rothschild
- 主分类号: C07G99/00
- IPC分类号: C07G99/00 ; C08H99/00 ; C07G1/00
摘要:
A method is disclosed for production of acid soluble humates. Humic acid bearing ores are sulfoalkylated under alkaline conditions to produce high solids humic acid concentrates which are soluble at pH as low as 0.5 and in yields of at least 70 percent.
公开/授权文献
- US5174585A Adjustable fastening device 公开/授权日:1992-12-29
信息查询