| US3409438A
              (en)
            
            * | 1963-08-26 | 1968-11-05 | Minnesota Mining & Mfg | Photosensitive heat developable copysheet | 
        
          | GB1124756A
              (en)
            
            * | 1964-11-28 | 1968-08-21 | Kodak Ltd | Photographic reproduction | 
        
          | US3446648A
              (en)
            
            * | 1965-09-27 | 1969-05-27 | Minnesota Mining & Mfg | Reactive copying sheet and method of using | 
        
          | US3460946A
              (en)
            
            * | 1966-02-03 | 1969-08-12 | Minnesota Mining & Mfg | Image receptor sheets containing organic silver salts and metal ion image | 
        
          | US3529963A
              (en)
            
            * | 1966-08-23 | 1970-09-22 | Du Pont | Image-yielding elements and processes | 
        
          | US3547648A
              (en)
            
            * | 1968-01-26 | 1970-12-15 | Minnesota Mining & Mfg | Copy-sheet | 
        
          | DE2220618C2
              (de)
            
            * | 1972-04-27 | 1985-01-10 | Agfa-Gevaert Ag, 5090 Leverkusen | Bildempfangsmaterial | 
        
          | US4001026A
              (en)
            
            * | 1972-06-13 | 1977-01-04 | Agfa-Gevaert N.V. | Method and materials for thermoplastic recording | 
        
          | US3847612A
              (en)
            
            * | 1973-02-02 | 1974-11-12 | Minnesota Mining & Mfg | Light-sensitive heat-developable sheet material | 
        
          | DE2440678C2
              (de)
            
            * | 1974-08-24 | 1983-10-20 | Agfa-Gevaert Ag, 5090 Leverkusen | Thermophotographisches Aufzeichnungsmmaterial | 
        
          | US3994732A
              (en)
            
            * | 1975-09-08 | 1976-11-30 | Minnesota Mining & Mfg | Dry silver toners | 
        
          | DE69427635T2
              (de)
            
            * | 1994-03-10 | 2002-05-08 | Agfa-Gevaert N.V., Mortsel | Thermotransferbilderzeugungsverfahren | 
        
          | DE69428776T2
              (de)
            
            * | 1994-03-10 | 2002-07-11 | Agfa-Gevaert N.V., Mortsel | Thermisches Bilderzeugungsverfahren und dafür verwendbare Donor-Empfängerelement-Anordnung | 
        
          | DE69521168T2
              (de)
            
            * | 1994-03-25 | 2002-02-07 | Agfa-Gevaert N.V., Mortsel | Thermotransferverfahren | 
        
          | EP0674216B1
              (en)
            
            * | 1994-03-25 | 1999-06-30 | Agfa-Gevaert N.V. | Thermal transfer imaging process and donor element for use therein | 
        
          | DE69428778T2
              (de)
            
            * | 1994-03-25 | 2002-07-11 | Agfa-Gevaert N.V., Mortsel | Verfahren zur Herstellung eines Bildes nach dem Wärmeverfahren | 
        
          | JPH07266729A
              (ja)
            
            * | 1994-03-25 | 1995-10-17 | Agfa Gevaert Nv | 銀源を画像通りに還元するための還元剤の混合物を用いた熱転写印刷法 | 
        
          | DE69527000T2
              (de)
            
            * | 1994-03-25 | 2003-01-02 | Agfa-Gevaert, Mortsel | Thermotransferaufzeichnungsverfahren | 
        
          | EP0683428A1
              (en)
            
            * | 1994-05-17 | 1995-11-22 | Agfa-Gevaert N.V. | Thermal transfer imaging system based on the heat transfer of a reducing agent for reducing a silver source to metallic silver | 
        
          | DE69426821T2
              (de)
            
            * | 1994-06-27 | 2001-09-06 | Agfa-Gevaert N.V., Mortsel | Druckverfahren durch thermische Übertragung eines Reduktionsmittels in eine Bildempfangsschicht, die eine Silbersalz enthält | 
        
          | EP0720058B1
              (en)
            
            * | 1994-12-27 | 2000-07-05 | Agfa-Gevaert N.V. | Method for the formation of an improved photomode image | 
        
          | DE69610725T2
              (de)
            
            * | 1995-03-02 | 2001-05-10 | Agfa-Gevaert N.V., Mortsel | Wärmeempfindliches Aufzeichnungsmaterial mit bildstabilisierenden Eigenschaften | 
        
          | EP0730196B1
              (en)
            
            * | 1995-03-02 | 2000-10-25 | Agfa-Gevaert N.V. | Heat-sensitive recording material having image-stabilization properties | 
        
          | EP0795997A1
              (en)
            
            * | 1996-03-14 | 1997-09-17 | Agfa-Gevaert N.V. | Producing a contone image by sequentially exposing a thermo-sensitive imaging material by means of a set of radiation beams | 
        
          | US6586363B2
              (en) | 2000-11-30 | 2003-07-01 | Agfa-Gevaert | Thermographic recording material with improved image tone | 
        
          | EP1211093A1
              (en)
            
            * | 2000-11-30 | 2002-06-05 | Agfa-Gevaert | Thermographic recording material with improved image tone | 
        
          | US6664211B2
              (en) | 2000-11-30 | 2003-12-16 | Agfa-Gevaert | Thermographic recording material with improved image tone | 
        
          | US9145383B2
              (en) | 2012-08-10 | 2015-09-29 | Hallstar Innovations Corp. | Compositions, apparatus, systems, and methods for resolving electronic excited states | 
        
          | WO2014025370A1
              (en) | 2012-08-10 | 2014-02-13 | Hallstar Innovations Corp. | Tricyclic energy quencher compounds for reducing singlet oxygen generation | 
        
          | US9125829B2
              (en) | 2012-08-17 | 2015-09-08 | Hallstar Innovations Corp. | Method of photostabilizing UV absorbers, particularly dibenzyolmethane derivatives, e.g., Avobenzone, with cyano-containing fused tricyclic compounds |