PROCESS FOR DEVELOPING DIAZOTYPE MATERIALS
United States Patent 3421895
US Patent References:
Developer for diazo prints
- - 2308058
Thermal diazotype method and developer sheet for use therein
- - 3203797
Development of diazotype papers without a coupler
- - 3331690
Developer for diazo prints
- - 2308058
Thermal diazotype method and developer sheet for use therein
- - 3203797
Development of diazotype papers without a coupler
- - 3331690
Inventors:
Haining, Frank W.
Halperin, Bernard I.
Thompson, James O.
Halperin, Bernard I.
Thompson, James O.
Publication Date:
01/14/1969
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Export Citation:
Assignee:
IBM
Primary Class:
International Classes:
G03C5/18; G03C5/22
Foreign References:
| AT165325B |