|
| US4661367 | 27 Sep 1985 | 28 Abr 1987 | Imperial Chemical Industries PLC | Process for the manufacture of colored intagliated articles |
| US4720378 | 22 Jul 1986 | 19 Ene 1988 | Imperial Chemical Industries PLC | Coated colored intagliated articles |
| US5002775 | 4 Mar 1983 | 26 Mar 1991 | Sumitomo Chemical Company, Limited | Tablets having clear impressed marks and method for making same |
| US5110599 | 13 Ago 1991 | 5 May 1992 | LTS Lohmann Therapie-Systeme GmbH & Co. KG | Process for producing an administration and/or dosage form for medicinal active substances by means of a printing process |
| US5264224 | 12 Feb 1992 | 23 Nov 1993 | LTS Lohmann Therapie-Systeme GmbH & Co. KG | Process for producing and administration and/or dosage form for medicinal active substances by means of a printing process |
| US5683718 | 4 Abr 1995 | 4 Nov 1997 | Time-Cap Labs, Inc. | Enteric coated tablet with raised identification character and method of manufacture |
| US7500744 | 11 Ene 2006 | 10 Mar 2009 | Mars, Incorprated | Ink-jet printing on surface modified edibles and products made |