发明授权
- 专利标题： Method and composition for hardening gelatin
- 专利标题（中）： 硬化明胶的方法和组成
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申请号： US238665申请日： 1988-08-31
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公开(公告)号： US4877724A公开(公告)日： 1989-10-31
- 发明人: Chung Y. Chen , Edgar E. Riecke , Kenneth G. Harbison , Derek D. Chapman
- 申请人： Chung Y. Chen , Edgar E. Riecke , Kenneth G. Harbison , Derek D. Chapman
- 申请人地址： NY Rochester
- 专利权人： Eastman Kodak Company
- 当前专利权人： Eastman Kodak Company
- 当前专利权人地址： NY Rochester
- 主分类号： G03C1/30
- IPC分类号： G03C1/30
摘要：
A method for hardening gelatin comprising combining the gelatin to be hardened with a compound of the formula: ##STR1## wherein R.sub.1, R.sub.2, R.sub.3, R.sub.4, R.sub.5, R.sub.6, and X.sup..THETA. are as herein defined. The compounds of this formula effectively harden gelatin with little or no after-hardening. These compounds are useful in hardening gelatin in photographic elements.
公开/授权文献
- US5440807A Method for manufacturing heat exchanger elements 公开/授权日：1995-08-15
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