Patents for C09B 23 - Methine or polymethine dyes, e.g. cyanine dyes (4,654)
01/1995
01/03/1995US5378634 Labelling color for detecting methamphetamine
01/03/1995US5378597 Cyanine dyes for photography for spectral sensitivity and storage stability
12/1994
12/20/1994US5374749 Red dye and its solution
12/14/1994EP0628427A1 Dye-donor elements for thermal dye transfer recording
12/06/1994US5371266 Bichromophoric cyano-containing methine dyes and transfer thereof
12/06/1994US5370980 Silver halide photographic light-sensitive material
12/06/1994US5370956 Electrophotographic photoreceptor
12/06/1994CA1333398C Heat sensitive recording element and a thermographic method
11/1994
11/30/1994EP0626427A1 Near infra-red dyes and photographic element containing such dyes
11/30/1994EP0357780B1 Optical head
11/24/1994WO1994026931A1 Dyes designed for high sensitivity detection of double-stranded dna
11/23/1994EP0625726A1 Methine compound and silver halide photographic material comprising the same
11/22/1994US5366603 Sequencing near infrared and infrared fluorescence labeled DNA for detecting useing laser diodes
11/08/1994US5362590 Laser-sensitive electrophotographic lithograph printing plate material
11/02/1994EP0622423A1 Novel benzimidazolocarbocyaniene dye and silver halide photographic material containing said dye
11/02/1994EP0621962A1 Functionalized merocyanine dyes and polymers incorporating such dyes
11/01/1994US5360523 DNA sequencing
10/1994
10/27/1994WO1994024213A1 Cyclic-substituted unsymmetrical cyanine dyes
10/26/1994EP0579638B1 Polyketomethine dyes
10/18/1994US5356769 Improved storage stability
10/13/1994DE4311723A1 Laked triscationic polymethine dyes
10/12/1994EP0619346A1 Lacquered tris-or tetracationic polymethin dyes
10/12/1994EP0619191A2 Dyes and dye-donor elements for thermal dye transfer recording
10/11/1994US5354651 Cyanine dyes as sensitizers; antisoilant
10/11/1994CA1332418C Dyes suitable for sensitization of photoconductive systems
09/1994
09/29/1994WO1994021471A1 Ink ribbons containing compounds absorbing in the ir region
09/21/1994EP0616014A2 Photothermographic imaging materials and sensitisers therefor
09/21/1994EP0427867B1 Thermal transfer sheet
09/14/1994EP0614542A1 Arylidene sensitizing dyes for tabular grains
09/07/1994EP0614114A1 Silver halide photographic light-sensitive material
09/06/1994US5344749 X-ray photographic material, amide group on methine chain
08/1994
08/30/1994US5342732 Photographic high contrast silver halide materials
08/24/1994EP0611663A1 Heterocyclic hydrazonedyes and dye-donor elements containing the same for use in thermal dye transfer
08/16/1994US5338848 For optical recording media used with lasers
08/10/1994EP0609894A2 Labeled complex and method of analysis therewith
08/09/1994US5336594 Silver halide photographic material
08/04/1994WO1994017397A1 Dna complexes with dyes designed for energy transfer as fluorescent markers
08/03/1994EP0608582A2 Novel pyrrolinone dyes
08/02/1994US5334710 Compounds having non-linear optical properties
08/02/1994CA1331107C Colour photothermographic elements
07/1994
07/19/1994US5330884 Photographic element with near-infrared antihalation layer
07/13/1994EP0605655A1 Dimers of unsymmetrical cyanine dyes.
07/12/1994US5328994 Azinoneutromethines
07/12/1994US5328850 Merocyanine protein error indicators
07/12/1994US5328741 Optical recording medium
07/07/1994DE4244505A1 New tetra:hydro:naphthalenone derivs. used in polymer contg. chromophore
07/06/1994EP0605286A1 Thermal-dye-bleach construction
07/05/1994US5326687 Photographic silver halide element containing microprecipitated methine oxonol filter dye dispersions
06/1994
06/29/1994EP0603488A1 Blue dyes for color filter array element
06/28/1994US5324621 Magenta dye having extremely low side absorption in the blue and red regions
06/28/1994US5324601 Dyes and dye-donor elements for use in thermal dye transfer
06/22/1994EP0602714A1 Dyes and dye-donor elements for use in thermal dye transfer
06/22/1994CN1088233A Dyes
06/22/1994CA2109270A1 Thermal-dye-bleach construction
06/21/1994US5322768 Silver halide photographic elements with infrared absorbing dyes
06/14/1994US5321130 Unsymmetrical cyanine dyes with a cationic side chain
06/01/1994EP0599384A1 Dye compounds and photographic elements containing such dyes
06/01/1994EP0599383A1 Furan or pyrrole substituted dye compounds and silver halide photographic elements containing such dyes
06/01/1994EP0599382A1 hydroxyarylacyl dye compounds and silver halide photographic elements containing such dyes
06/01/1994EP0599381A1 Dye compounds and silver halide photographic elements containing such dyes
05/1994
05/31/1994US5316904 Cationic cyanine sensitizers in color photography
05/26/1994WO1994011200A1 Dye-donor element comprising yellow dicyanovinylaniline dyes
05/25/1994EP0598437A1 Dye-donor element comprising dicyanovinylaniline dyes
05/25/1994EP0598420A1 Imine dyes and photographic elements containing same
05/24/1994US5314795 Thermal-dye-bleach construction comprising a polymethine dye and a thermal carbanion-generating agent
05/17/1994US5312926 Paper, videos or paper
05/17/1994US5312921 Dyes designed for high sensitivity detection of double-stranded DNA
05/11/1994WO1994010248A1 Dyes
05/10/1994US5310906 Direct dyeing of cotton, paper, leather, polyamides, blue
05/10/1994US5310618 Light-sensitive compositions and articles utilizing a compound or polymer containing an aromatic diazonium salt group and a light-absorbing residue of a sensitizing dye for trichloromethyl-s-triazine or azinium salt photopolymerization initiators
05/04/1994EP0595088A1 Photographic silver halide elements comprising infrared sensitizing dyes
04/1994
04/27/1994EP0594448A1 Silver halide photographic light-sensitive material
04/27/1994EP0594239A1 Dye-donor element comprising magenta tricyanovinylaniline dyes
04/27/1994EP0593817A1 Dye-donor element comprising tricyanovinylaniline dyes
04/19/1994US5304528 With sublimable dye having two chromophores; high density, storage stability, colorfastness
04/13/1994EP0591820A1 Near-infrared absorbing dyes prepared from Stenhouse salts
04/12/1994US5302506 Silver halide photographic materials
04/06/1994EP0590977A1 Silver halide photographic light-sensitive material
03/1994
03/29/1994US5298588 Organosilicon polymers, and dyes, exhibiting nonlinear optical response
03/22/1994US5296344 Silver halide photographic light-sensitive material
03/16/1994EP0587230A2 Filter dyes for rapid processing applications
03/16/1994EP0587229A2 Filter dyes for rapid processing applications
03/16/1994EP0586748A1 Filter dyes for rapid processing applications
03/15/1994US5294709 Methine compounds and methine dyes
03/08/1994US5292633 Silver halide black & white light-sensitive material comprising spectrally sensitized silver halide grains containing rhodium in a specific amount
03/01/1994US5290670 Sensitive to infrared radiation
02/1994
02/24/1994DE4227522A1 New dichroitic dyestuff cpds. and light-polarising film contg. these or known analogues - which are yellow or yellow-red and have excellent dichroitic property.
02/22/1994US5288738 Dye compound and photographic element containing same
02/16/1994EP0582579A1 N-aminopyridone dyes.
02/15/1994US5286702 Color coupler for infrared recording
02/09/1994EP0582324A1 Heat transfer sheet
02/01/1994US5283347 Dye and its solution
02/01/1994US5283165 Pyrrolinone dyes
01/1994
01/27/1994DE4224301A1 Cpds. with absorption max. in near IR used to mark liquid - are phthalocyanine or naphthalocyanine, nickel dithiolene complex, aromatic aminium, methine dyestuff or
01/25/1994US5281572 Heating dye containing transfer sheet in imagewise fashion thereby transferring the bichromophoric methine dye from transfer sheet to sheet of plastic coated receiving sheet
01/25/1994US5281515 Thermally developable photographic elements
01/12/1994EP0387360B1 Cyanine compounds
01/11/1994US5278039 Nonfading silver halide photographic material with layers of yellow couplers and aromatic amines
01/04/1994US5275928 Arylidene sensitizing dyes for tabular grains
12/1993
12/28/1993US5274624 Optical recording medium
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