| Title: | Indirect ammoniating preparation for silver halides sensitive emulsion | ||
| Application Number: | 200410096767 | Application Date: | 2004.12.07 |
| Publication Number: | 1614507 | Publication Date: | 2005.05.11 |
| Approval Pub. Date: | Granted Pub. Date: | ||
| International Classifi-cation: | G03C1/005,G03C1/015 | ||
| Applicant(s) Name: | Chinese Lekai Film Group Co. | Address: | 071054 |
| Inventor(s) Name: | Li Yaning, Li Fujian | ||
| Attorney & Agent: | cai zhiyong liu qinbin | ||
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Abstract: |
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| A method for preparing silver halide photosensitive emulsion is featured as adding a base in metal halide solution and adding an ammonium salt in silver salt solution, forming ammonia by reacting on base with ammonium salt at time when metal halide solution is mixed with silver salt solution in reaction. The prepared emulsion can be used for colour or black photographic material. | |||
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| Time: | 10 | ||
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