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Dive into the research topics where James K. Elwood is active.

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Featured researches published by James K. Elwood.


Journal of The Chemical Society, Chemical Communications | 1974

Method for annelation of pyridinium rings on to nitrogen heterocycles

Derek D. Chapman; James K. Elwood; Donald W. Heseltine; Henry M. Hess; Donald W. Kurtz

Protonated heterocycles possessing an alkyl substituent on the carbon atom adjacent to the positive nitrogen react with methyl vinyl ketone to form adducts which can be converted into fused pyridinium salts.


Archive | 1976

Radiation-sensitive compositions and photographic elements containing N-(acylhydrazinophenyl) thioamide nucleating agents

Ronald E. Leone; James K. Elwood


Archive | 1978

Photographic products and processes employing nondiffusible 1-arylazo-4-isoquinolinol dye-releasing compounds

Derek D. Chapman; James A. Friday; James K. Elwood


Archive | 1983

Photographic products and processes employing novel nondiffusible magenta dye-releasing compounds and precursors thereof

Steven Evans; James K. Elwood


Archive | 1983

Photographic products and processes employing 6-heterocyclylazo-3-pyridinol nondiffusible cyan dye-releasing compounds and precursors thereof

James A. Reczek; James K. Elwood


Archive | 1973

Silver halide emulsion containing photographic sensitizing dyes

Donald W. Heseltine; Donald W. Kurtz; Derek D. Chapman; James K. Elwood


Archive | 1996

Photographic element comprising a red sensitive silver halide emulsion layer

Steven George Link; James K. Elwood; Frederick Charles Derks; Kenneth William Lowe


Archive | 1991

ORANGE FILTER DYE AND FILTER ELEMENT FOR COLOR FILTER ARRAYS.

Derek D. Chapman; James K. Elwood; Laurel J. Pace


Archive | 1984

Photographic products and processes employing novel nondiffusible cyan dye-releasing compounds and precursors thereof

James A. Reczek; James K. Elwood


Archive | 1983

Coordination complexes of polyvalent metal ions and cyan dye-releasing compounds comprising a 6-heterocyclazo-3-pyridinol

James A. Reczek; James K. Elwood

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