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Official data from INPI

PROCESSO DE OBTENÇÃO DE CELULOSE A PARTIR DE RESÍDUOS VEGETAIS, CELULOSE OBTIDA BEM COMO ACETADO DELA DECORRENTE

Em AnáliseInvention Patent

Application data

Number

PI9005762

Type

Invention Patent

Filing

11/08/1990

Publication

06/30/1992

Progress at the INPI

Under appeal
  1. Filing11/08/90
  2. Publication06/30/92
  3. Examination08/09/94
  4. Refused08/24/99
  5. Grant
  6. In force

The application was refused by the INPI on 08/24/1999. The invention was never patented.

Talk to a specialist

Latest action published by the INPI: 06/20/2000. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Rhodia Brasil Ltda

SP, BR

Rhodia S/A

SP, BR

See this company's full portfolio

Inventors

C. P. (pessoa física)

D. C. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Alteração de nome deferida

#25.4

Alterado de: Rhodia Brasil S/A

06/20/2000

RPI 1537

Indeferimento

#9.2

Indeferido o pedido com base no Artigo 8º da LPI 9279 de 14/05/96.

08/24/1999

RPI 1494

Conhecimento de parecer técnico

#7.1

11/03/1998

RPI 1452

Solicitação de exame técnico

#4.1

08/09/1994

RPI 1236

Publicação do pedido de patente

#3.1

06/30/1992

RPI 1126

Pedido de patente depositado

#2.1

04/30/1991

RPI 1065

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