PROCESSO DE PREPARAÇÃO DE CORANTES VERMELHOS DO TIPO DAS ANTOCIANINAS, A PARTIR DE BATATA DOCE, IPOMOEA BATATAS, LAM, CONVOLULACEAE, VAR, PORPHYRORHIZA, DE POLPA ROXA.

1. Filing05/05/83
2. Publication12/11/84
3. Examination11/25/86
4. Allowance09/06/88
5. Grant07/25/89
6. In force05/05/03

The patent was granted on 07/25/1989 and is in force until 05/05/2003. Until then, no one may make, use or sell the invention in Brazil without the owner's authorisation.

Protection valid until:05/05/2003

Latest action published by the INPI: 07/25/1989. We update with every new RPI gazette, published weekly.