| 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 |
