发明授权
- 专利标题: Polygalactomannan allyl ether gels
- 专利标题(中): 聚半乳甘露聚糖烯丙基醚凝胶
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申请号: US735668申请日: 1976-10-26
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公开(公告)号: US4057509A公开(公告)日: 1977-11-08
- 发明人: John R. Costanza , Ronald N. DeMartino , Arthur M. Goldstein
- 申请人: John R. Costanza , Ronald N. DeMartino , Arthur M. Goldstein
- 申请人地址: NY New York
- 专利权人: Celanese Corporation
- 当前专利权人: Celanese Corporation
- 当前专利权人地址: NY New York
- 主分类号: B01J13/00
- IPC分类号: B01J13/00 ; C08K3/30 ; C09K8/72 ; C10L7/02
摘要:
This invention provides novel highly acidic gels of polygalactomannan allyl ether gum and sulfur dioxide. The gels exhibit dimensional stability, and are useful for oil well acidizing and borehole plugging, and for the preparation of explosive slurries.
公开/授权文献
- US5900162A Plasma etching method and apparatus 公开/授权日:1999-05-04
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