| Patent Number |
Title Of Patent |
Date Issued |
| 6498001 |
Photographic silver halide emulsion |
December 24, 2002 |
| A spectrally sensitized photographic silver halide emulsion, characterized in that after precipitation at least one compound of formula ##STR1##is added to the emulsion, wherein R.sup.1 denotes alkyl, aryl, aralkyl, alkenyl or heterocyclyl; R.sup.2 denotes H, alkyl, aryl, heterocyclyl, |
| 6379879 |
Color photographic silver halide material |
April 30, 2002 |
| A color photographic recording material having at least one spectrally sensitized silver halide emulsion layer, characterized in that said silver halide emulsion layer contains an oil former having a pKa value of less than 18 and a DIR coupler and the material contains at least one color |
| 6218097 |
Color photographic silver halide material |
April 17, 2001 |
| A colour photographic silver halide material having a support and at least one photosensitive silver halide emulsion layer which contains a magenta coupler of the formula (I) ##STR1##in which R.sub.1 to R.sub.3, a, b, c and X have the meaning stated in the description, which material |
| 6207283 |
Polymer |
March 27, 2001 |
| A polymer of the formula (I): ##STR1##in whichX.sub.1 means H or (R.sub.1).sub.1+1 --L.sub.1 CO--,X.sub.2 means --(L.sub.2).sub.m --OH or ##STR2##R.sub.1 means --COO.sup.- M.sup.+, --SO.sub.3.sup.- M.sup.+ or (M.sup.+).sub.2 PO.sub.3.sup.2-,L.sub.1 means alkylene, arylene, aralkylene or |
| 6093524 |
Color photographic film |
July 25, 2000 |
| A color photographic film having a support, 2 or 3 red-sensitive, cyan-coupling silver halide emulsion layers, 2 or 3 green-sensitive, magenta-coupling silver halide emulsion layers, 2 or 3 blue-sensitive, yellow-coupling silver halide emulsion layers, conventional interlayers and pr |
| 6087083 |
Color photographic material |
July 11, 2000 |
| A colour photographic material in which a package of layers is provided which consists, in the stated sequence, of (a) a silver halide-free layer containing colour coupler, (b) a layer containing silver halide and (c) a silver halide-free layer containing colour coupler, wherein at least |
| 6083675 |
Color photographic recording material containing a non-diffusing, 2-equivalent coupler which, on |
July 4, 2000 |
| A multi-layer color photographic recording material having at least one photosensitive silver halide emulsion layer containing a color coupler contains in at least one photosensitive silver halide emulsion layer a non-diffusing, 2-equivalent color coupler which, under chromogenic dev |
| 6060227 |
Color negative film |
May 9, 2000 |
| A color negative film having a support, at least one blue-sensitive, yellow-coupling silver halide emulsion layer, at least one green-sensitive, magenta-coupling silver halide emulsion layer and at least one red-sensitive, cyan-coupling silver halide emulsion layer, wherein at least |
| 6040125 |
High-speed color photographic recording material having increased sensitivity in the blue spectr |
March 21, 2000 |
| A color photographic recording material having at least one red-sensitive silver halide emulsion layer unit with which a cyan coupler is associated, at least one green-sensitive silver halide emulsion layer unit with which a magenta coupler is associated, at least one blue-sensitive silv |
| 6033841 |
Colour photographic silver halide material |
March 7, 2000 |
| A color photographic silver halide material having at least two red-sensitive, cyan-coupling silver halide emulsion layers of different photographic sensitivity, at least two green-sensitive, magenta-coupling silver halide emulsion layers of different photographic sensitivity and at |
| 6017689 |
Color photographic silver halide material |
January 25, 2000 |
| A color photographic silver halide material having at least two blue-sensitive, yellow coupler containing silver halide emulsion layers, at least two green-sensitive, magenta coupler containing silver halide emulsion layers and at least two red-sensitive, cyan coupler containing silv |
| 5922524 |
Colour photographic recording material |
July 13, 1999 |
| A colour photographic recording material having camera sensitivity, possessing on a transparent support at least one silver halide emulsion layer unit which is sensitive to part of the visible spectrum and consists of at least the following constituent layers:a) a spectrally sensitised s |
| 5908741 |
Photographic silver halide material |
June 1, 1999 |
| A photographic silver halide material in which the silver halide emulsion layer of at least one silver halide emulsion layer is stabilized with a compound of the formula (I):in whichAr means a carbocyclic or heterocyclic aromatic group which has an electron-attracting grouping in o-posit |
| 5856076 |
Color photographic recording material having elevated sensitivity and improved color reproductio |
January 5, 1999 |
| A color photographic recording material having a film support and, arranged thereon, at least one red-sensitive silver halide emulsion layer containing a cyan coupler, at least one green-sensitive silver halide emulsion layer containing a magenta coupler, at least one blue-sensitive |
| 5853971 |
Color photographic silver halide material |
December 29, 1998 |
| A color photographic silver halide material contains on a support at least one red-sensitive, cyan-coupling, at least one green-sensitive, magenta-coupling and at least one blue-sensitive, yellow-coupling silver halide emulsion layer together with interlayers between layers of differ |
| 5830628 |
Color photographic recording material |
November 3, 1998 |
| A colour photographic silver halide material with at least two blue-sensitive, yellow-coupling silver halide emulsion layers of differing photographic sensitivity, at least two green-sensitive, magenta-coupling silver halide emulsions layers of differing photographic sensitivity and |
| 5683863 |
Photographic silver halide material |
November 4, 1997 |
| A color photographic silver halide material having at least one silver halide emulsion layer, which is stabilized with a compound of formula (I) or (II) ##STR1## where X represents O or NR.sub.2Y represents halogen,Z.sup..crclbar. represents an anion,R.sub.1 represents hydrogen or a |
| 5679504 |
Color photographic silver halide material |
October 21, 1997 |
| A color photographic silver halide material which contains as photosensitive layers on a support at least one red-sensitive silver halide emulsion layer containing at least one cyan coupler, at least one green-sensitive silver halide emulsion layer containing at least one magenta cou |
| 5667956 |
Silver halide recording material |
September 16, 1997 |
| The grain/sensitivity ratio of a photographic silver halide material may be improved by adding a compound of the formula I to one of its layers. The material moreover exhibits a low increase in fog on storage. ##STR1## in which: Y.sub.1, Y.sub.2, Y.sub.3 each mean one of the followin |
| 5599657 |
Color photographic silver halide material |
February 4, 1997 |
| A colour photographic silver halide material with a support, at least one red-sensitive silver halide emulsion layer containing at least one cyan coupler, at least one green-sensitive silver halide emulsion layer containing at least one magenta coupler, at least one blue-sensitive si |
| 5569576 |
Photographic materials containing polymeric compounds |
October 29, 1996 |
| A photographic material is disclosed containing on at least one side of the support at least one light-sensitive silver halide emulsion layer characterised in that the light-sensitive layer and/or at least one non-light sensitive layer in water-permeable relationship with the light-s |
| 4963465 |
Color photographic negative recording material |
October 16, 1990 |
| Using a color photographic negative recording material which contains a most sensitive, a medium-sensitive and a least sensitive silver halide part layer for recording light from at least one of the spectral ranges of red, green and blue, at least one of the two more sensitive part layer |
