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Official data from INPI

PROCESSO PARA A PRODUÇÃO DE XILOSE.

PublicadaInvention Patent

Application data

Number

PI8705576

Type

Invention Patent

Filing

10/19/1987

Publication

05/24/1988

Progress at the INPI

  1. Filing10/19/87
  2. Publication05/24/88
  3. Examination09/25/90
  4. Allowance
  5. Grant
  6. In force

Published on 05/24/1988, the application is awaiting technical examination at the INPI, which decides whether the invention meets the patentability requirements.

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Latest action published by the INPI: 05/24/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Imperial Chemical Industries Plc.

GB

Zeneca Limited

GB

See this company's full portfolio

Inventors

P. F. (pessoa física)

GB

R. W. (pessoa física)

GB

Technical data

IPC Classification

Priority claims

GB

8625095 · 10/20/1986

GB

8723401 · 10/06/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

05/24/1988

RPI 918

Pedido de patente depositado

#2.1

02/23/1988

RPI 905

14.1

12/05/1995

RPI 1305

Indeferimento

#9.2

07/25/1995

RPI 1286

Solicitação de exame técnico

#4.1

09/25/1990

RPI 1034

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