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4125650 Resist image hardening process  
Resist images are hardened so that they are flow resistant at elevated temperatures by coating the image with a layer of a quinone-diazide hardening agent and heating the image to cause the agent...
4115128 Positive image forming radiation sensitive compositions containing diazide compound and organic cyclic anhydride  
A radiation-sensitive composition capable of producing a positive image upon exposure to actinic radiation and subsequent treatment with a basic solution which comprises (a) an o-naphthoquinone...
4108664 Light-sensitive negative-working film containing a diazo oxide sensitizer and a p-toluenesulfonyl halide or a 2,4-dihalo-S-triazine  
An improved light-sensitive negative-working diazo type film is described. The film includes a diazo-oxide sensitizer and an additive therefore which improves the actinic opacity of the image...
4105450 Spectrally sensitized positive light-sensitive o-quinone diazide containing composition  
A positive light-sensitive composition containing: (a) a quinonediazide type, positive light-sensitive substance and (1) (b) at least one compound selected from the group consisting of those...
4104070 Method of making a negative photoresist image  
The invention relates to a method of making a negative photoresist image on a substrate, where a normally positive working photoresist material containing 1-hydroxyethyl-2-alkyl-imidazoline is...
4059449 Photoresist containing a thiodipropionate compound  
This invention relates to a photoresist consisting of a novolak resin and a sensitizer containing a thiodipropionate compound.
4036644 Photoresist process and photosensitive O-quinone diazide article with aliphatic carboxylic acid as adhesion promotor  
Carboxylic acids are included in resists to increase their speed and adhesion.
4028111 Light-sensitive lithographic printing plate  
A light-sensitive lithographic printing plate comprising a support with a hydrophilic surface having thereon a light-sensitive layer comprising a light-sensitive polyester containing...
4009033 High speed positive photoresist composition  
A positive photoresist having increased sensitivity to light and formed by the addition of an acidic compound to a 1,2-quinone-diazide sulphonic acid ester sensitizer.
3984250 Light-sensitive diazoketone and azide compositions and photographic elements  
Light-sensitive compositions including a polymer of the type that is reactable with an azide sensitizer when exposed to light and a sensitizing amount of a naphthalene sensitizer having ortho diazo...
3969118 Light-sensitive o-quinone diazide containing copying layer  
This invention relates to an improvement in a light-sensitive copying layer containing an ester or an amide of an o-naphthoquinone diazide sulfonic acid or carboxylic acid together with an organic...
3953212 Pre-sensitized lithoprinting plate requiring no fountain solution  
A presensitized lithoprinting plate which needs no fountain solution on printing comprising a support and a coating layer of a mixture of a photosensitive material and a silicone rubber.
3929488 Light sensitive diazo composition with azo dye formed from a diazonium salt and a novolak resin  
A light-sensitive positive-working composition for printing plate manufacture comprises, in admixture, a diazonium salt of a strong acid, a novolak resin and an azo-dye which undergoes a colour...
3902906 Photosensitive material with quinone diazide moiety containing polymer  
An improved photosensitive material is disclosed which comprises an addition polymer having a molecular weight of at least 5000 as a photosensitive component. The polymer comprises the following...
3900325 Light sensitive quinone diazide composition with N-3-oxohydrocarbon substituted acrylamide  
This invention is for a positive working, light sensitive composition useful for diverse applications such as metal plating and etching of metal, ceramics and the like, in a pattern, for example,...
3868254 POSITIVE WORKING QUINONE DIAZIDE LITHOGRAPHIC PLATE COMPOSITIONS AND ARTICLES HAVING NON-IONIC SURFACTANTS  
An improved positive working lithographic plate is provided by incorporating a developing additive into the plate coating which allows rapid development of the plate with excellent clarity and...
3859099 POSITIVE PLATE INCORPORATING DIAZOQUINONE  
A radiation-sensitive polymer is disclosed useful in forming positive working lithographic plates of exceptional wear, printing and developability characteristics. The radiation-sensitive polymers...
3785821 METHOD OF DEVELOPING VESICULAR PHOTOGRAPHIC MATERIALS  
A process for producing a vesicular photographic image while minimizing shrinkage of the backing layer upon which the vesicular photographic material is coated. The coating contains, in addition to...
3779768 FLUOROCARBON SURFACTANTS FOR VESICULAR FILMS  
Fluorocarbon surfactants are added to vesicular films to improve the sensitivity thereof, while further maintaining very small vesicle size in the development image which results in films of...
3778274 SPECTRALLY SENSITIZED DIAZO MATERIAL  
A dithiocarbamate is mixed with a photolytic aromatic diazo compound to improve the intrinsic sensitivity and spectral sensitivity of the photosensitive material for diazo photography.
3661582 ADDITIVES TO POSITIVE PHOTORESISTS WHICH INCREASE THE SENSITIVITY THEREOF  
The use of a scanning electron beam to generate a pattern in a positive photoresist is known. Electron beam equipment can be made which is capable of scanning very quickly, but standard positive...
3652285 PHOTOCHROMIC-PHOTOPOLYMERIZATION COMPOSITIONS  
A photographic material and a process for the formation of non-fading images upon exposure to actinic light comprising a light-sensitive layer formed of a photochromic compound and a...
3650756 SENSITIZATION OF LAYERS MADE OF POLYMERS WHICH CAN BE CROSS-LINKED BY THE ACTION OF LIGHT  
Recording materials comprising at least one layer of a polymer which can be cross-linked by the action of light. The recording material can be very effectively spectroscopically sensitized,...
3635709 LIGHT-SENSITIVE LITHOGRAPHIC PLATE  
Light-sensitive compositions and positive-acting lithographic printing plates made therewith comprising an ester of 2-diazo-1-naphthol-4(or -5)-sulfonic acid with a polyhydroxy-phenyl that is a...
3615532 PRINTING PLATE COMPOSITIONS  
A printing plate composition comprising (1) the association product of a normally solid water-soluble ethylene oxide polymer and a heat-fusible phenolic resin, (2) a nonoxidizing acidic compound,...
3522042 PRESENSITIZED DIAZO MATERIAL FOR THE PREPARATION OF PRINTING PLATES  
3522049 PHOTOHARDENING  
3404005 Diazo light-sensitive composition and element  
3402044 Light-sensitive naphthoquinone diazide composition and material containing an alkali insoluble polymer  
3201239 Etchable reproduction coatings on metal supports  
3180732 Light sensitive iminoquinone diazide and material for the photomechanical preparation of printing plates therewith  
3175906 Light sensitive material for the photomechanical preparation of printing plates  
3086861 Printing plates comprising ink receptive azo dye surfaces  
3046116 Light sensitive material for printing and process for making printing plates  
3046118 Process of making printing plates and light sensitive material suitable for use therein  
3046120 Light-sensitive layers for photomechanical reproduction  
3046124 Process for the manufacture of printing plates and light-sensitive material suitablefor use therein  
3029146 Reproduction material  
2974042 Diazotype reproduction process  
3827908 Title is not available  
3589898 Title is not available  
3759711 Title is not available  
3730734 Title is not available  
3669658 Title is not available  
3676134 Title is not available  
3567453 Title is not available