DEVELOPERS AND THEORY OF DEVELOPMENT 



331 



Table I. — Organic Compounds Suggested for Photographic Development 



(Continued) 



Compound 



Discoverer 



Date 



Polyamines 



1 :4-Diaminobenzene 



2:5-Diaminotoluene 



4-Aminomethylaniline 



4-Aminodimethylaniline 



4-Aminoethylaniline 



4-Aminodiethylaniline 



4-Aminobutylaniline 



4-Amino-2-methyl-diethylaniline 



l:4-Dimethyl-2:5-diaminobenzene 



4-Amino-tetramethylaniline 



l:3:6-Triaminobenzene 



l-Hydroxy-4:4'-diphenylamine 



l-Aminodimethyl-4-phenyl-aminoacetic acid . 

 l-Aminodiethyl-4-phenyl-aminoacetic acid. . . 

 l-Amino-4-phenyI-aminoacetic acid 



1 :2-Diaminobenzene . 



2:4-Diamino-diphenylaniine 



4:4'-Dihydroxy-diphenylamine 



4:2':4'-Triamino-diphenylamine 



4-Amino-4'-hydroxy-diphenylamine 



4-Amino-4'-hydroxy-diphenylaniine-2-snlphoiiic acid- 



4-Amino-dipropylaniline 



4-Amino-N-phenyI piperidine 



4-Amino-N-phenyl piperazine 



4-Amino-3-methyl-diethylaniline 



3-Methyl-4-amino-diethylaniIine 



l:4-Phenylene-dimorpholine 



4-Amino-N-phenyI morpholine 



3:4-Diamino-N-phenyl morpholine 



2-Methyl-3:4-diamino-N-phenyl morpholine 



4-Hydroxy-4'-dimethylaminodiphenylamine 



2-Aminodiethylaniline 



3-Bromo-4-aminodiethylaniline 



2:5-Diamino-anisole 



2-Amino-5-diethylamino-phenetole 



N-Hydroxymethyl-4-aminoaniline 



Andresen, D.R.P. 46,915 



Andresen, D.R.P. 46,915 



Hauff, B.P. 15,434 



Hauflf, B.P. 15,434 



Hauff, B.P. 15,434 



Hauff, B.P. 15,434 



Hauff, B.P. 15,434 



Hauff, B.P. 15,434 



Hauff, B.P. 15,434 



Hauff, B.P. 15,434 



A.G.F.A., B.P. 11,872 



Cassela & Co., Phot. Korr., 1897, 587 



Hauff, B.P. 28,596 



Hauff, B.P. 28,596 



Meister, Lucius & Bruning, (Eder, 



Aus. Hndbh., 1903, 318) 

 Lumi^re & Seyewetz, B.J. Phot., 1904, 



866 

 Schering, B.P. 20,050 

 Schering, F.P. 382,367 

 Schering, F.P. 429,380 

 Schering, F.P. 429,380 

 Schering, F.P. 444,639 

 Fischer, U.S.P. 1,102,028 

 Fischer, U.S.P. 1,102,028 

 Fischer, U.S.P. 1,102,028 

 Fischer, U.S.P. 1,102,028 

 Fischer, U.S.P. 1,102,028 

 Reed, U.S.P. 1,937,844 

 Reed, U.S.P. 1,937,844 

 Reed, U.S.P. 1,937,844 

 Reed, U.S.P. 1,937,844 

 Trumbull, U.S.P. 1,969.243 

 Kodak-Pathe, F.P. 804,472 

 Kodak-Pathe, F.P. 804,472 

 Kodak-Pathe, F.P. 804,472 

 Kodak-Pathe, F.P. 804,472 

 I.G. Farb., B.P. 460, .580 



1888 



1888 



189 



189 



189 



189 



189 



189 



189 



189 



1893 



189 



189' 



1897 



1902 



1904 

 1907 

 1907 

 1910 

 1910 

 1911 

 1914 

 1914 

 1914 

 1914 

 1914 

 1933 

 1933 

 1933 

 1933 

 1934 

 1936 

 1936 

 1936 

 1936 

 1937 



