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256:(which had been introduced in 1880). In 1889, AGFA set up a photographic research unit in Berlin, with Andresen as its head. His goal was to devise photographic developers which could be stored as stable liquid concentrates which could be diluted for use when needed, rather than having to be made up from several ingredients on the spot. He worked on formulations based on
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describing and claiming it was filed. That application was granted as German patent DE 60,174. Corresponding patents were granted in other countries, including FR 211,243, GB 1,736/1891 and US 477,486. AGFA commercialised the formulation under the trade name
294:). In 1895, he had a part in devising improvements to the process which led to AGFA commercialising a product in 1898 which both gave better results and was quicker to develop than anything used before. It was especially useful in
365:, Momme Andresen & Ernst Leupold, "Process of Intensifying Photographs", issued 23 January 1900, assigned to Actien-Gesellschaft für Anilinfabrikation
34:
561:
450:
378:, Momme Andreson; Otto Magerstedt & Gerhard Ollendorff, "Receptacle", issued 6 May 1906, assigned to Actien-Gesellschaft für Anilinfabrikation
325:, Momme Andresen, "Manufacture of a New Alpha-Napthol-Disulphonic Acid", issued 25 June 1889, assigned to Actien-Gesellschaft für Anilinfabrikation
440:
The product claimed in US 405,938, 1-hydroxynapthalene-3,8-disulphonic acid, has been called "Andresensche Säure" and "Andresen Säure" (i.e. Andresen's acid).
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was signed on 20 March 1883. Under it, a patent applicant in a signatory state can (for a limited time – in modern times, 12 months) claim a
284:(gelatin process) photography. That process had been invented in 1871, and commercialised in 1879. It had problems; including inconsistent results and
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182:; 17 October 1857 - 12 January 1951) was a Danish-German industrial research chemist. His main area of work was to formulate better
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Der Königsteinhof. Die
Geschichte einer bedeutenden Hofstelle. Das Lebenswerk des Dr. Momme Andresen, Pionier der Photographie
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from an application filed in another signatory state. Germany did not sign the
Convention until 1903 (see
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He was already a keen amateur photographer. He had used, and was dissatisfied with, developers based on
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339:, Momme Andrésen, "Process of Developing Photographic Pictures", issued 24 May 1892
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237:. Around that time, he also discovered "Andresen's acid". He worked for some years in
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His first independent scientific work was to determine the structure of the dyestuff
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241:. In 1887, he took employment at Aktien-Gesellschaft für Anilinfabrikation (modern
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506:(in German), vol. 1, Berlin: Duncker & Humblot, pp. 286–287
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Paris
Convention for the Protection of Industrial Property
633:(in German). Nordfriesischer Heimatverein Dagebüll e. V.
226:, he returned to Dresden to work as Schmitt's assistant.
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Das latente
Lichtbild, seine Entstehung und Entwicklung
562:"Agfa und die beschaulichen Anfänge der Fotografie"
394:Über lichthoffreie und farbenempfindliche Platten
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459:List of parties to international patent treaties
301:In 1940, the University of Jena awarded him an
589:Encyclopedia of Nineteenth-Century Photography
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629:Meier, Hans-Otto; Schließmann, Fritz (1998).
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420:. I. G. Farbenindustrie AG, Berlin (1930)
308:He wrote at least one poem in his native
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583:Sachsse, Rolf (10 October 2007).
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400:Über photographische Entwickler
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752:19th-century German inventors
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212:Technische Hochschule Dresden
104:Technische Hochschule Dresden
767:20th-century German chemists
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682:Deutschen Nationalbibliothek
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591:. Vol. 1. p. 20.
494:Carl Graf von Klinckowström
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587:. In Hannavy, John (ed.).
206:(a local state school) in
170:[ˈmɔməʔanˈdʁeːzn̩]
16:German chemist (1857–1951)
732:People from Nordfriesland
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414:. Agfa, Berlin (undated)
408:. Agfa, Berlin (undated)
402:. Agfa, Berlin (undated)
80:, Schleswig-Holstein,
396:. Agfa, Berlin (1916)
390:. Knapp, Halle (1913)
310:North Frisian dialect
376:US patent 814503
363:US patent 641919
350:US patent 477486
337:US patent 475372
323:US patent 405938
202:Andresen attended a
418:Agfa Photo-Handbuch
303:honorary doctorate
270:patent application
258:p-phenylenediamine
224:University of Jena
109:University of Jena
59:Duchy of Schleswig
560:Mustroph, Heinz.
498:"Andresen, Momme"
455:right of priority
296:X-ray photography
245:) in Berlin as a
239:Buffalo, New York
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146:Academic advisors
130:Scientific career
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685:(in German)
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204:Volksschule
89:Nationality
721:Categories
469:References
184:developers
121:Inventing
47:1857-10-17
708:20 August
689:18 August
639:873119419
604:14 August
568:19 August
542:19 August
536:chemie.de
288:(German:
282:dry plate
198:Biography
140:Chemistry
61:, Denmark
496:(1953),
291:Lichthof
286:halation
235:Cassella
231:safranin
218:. After
78:Dagebüll
275:Rodinal
222:at the
208:Niebüll
175:Danish:
166:German:
123:Rodinal
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652:Erfurt
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585:"AGFA"
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214:under
188:fixers
136:Fields
92:German
425:Notes
55:Risum
762:Agfa
710:2017
691:2017
656:ISBN
635:OCLC
606:2017
593:ISBN
570:2017
544:2017
449:The
260:and
243:AGFA
190:for
186:and
67:Died
41:Born
23:Dr.
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Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
