发明授权
- 专利标题: Process for hardening photographic gelatin
- 专利标题(中): 硬化摄影胶的方法
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申请号: US220756申请日: 1980-12-29
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公开(公告)号: US4338394A公开(公告)日: 1982-07-06
- 发明人: Wolfgang Himmelmann , Peter Bergthaller , Johannes Sobel
- 申请人: Wolfgang Himmelmann , Peter Bergthaller , Johannes Sobel
- 申请人地址: DEX Leverkusen
- 专利权人: Agfa-Gevaert Aktiengesellschaft
- 当前专利权人: Agfa-Gevaert Aktiengesellschaft
- 当前专利权人地址: DEX Leverkusen
- 优先权: DEX3000407 19800108
- 主分类号: C08L89/00
- IPC分类号: C08L89/00 ; G03C1/30
摘要:
Gelatin-containing layers of photographic materials are hardened by adding a compound containing from 2 to 6 sulfonyl ethyl sulfate groups in the form of its salts and activating the compound by adjusting a pH-value in the range from 6.5 to 11.
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