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Official data from INPI

PROCESSO PARA PREPARAÇÃO DE L-TRIPTOFÂNIO E PROCESSO PARA PREPARAÇÃO DE SOLUÇÃO ENZIMÁTICA AQUOSA DE TRIPTOFÂNIO SÍNTESE OU TRIPTOFANASE

PublicadaInvention Patent

Application data

Number

PI8803497

Type

Invention Patent

Filing

07/12/1988

Publication

01/31/1989

Progress at the INPI

Under appeal
  1. Filing07/12/88
  2. Publication01/31/89
  3. Examination02/19/91
  4. Refused09/05/95
  5. Grant
  6. In force

The application was refused by the INPI on 09/05/1995. The invention was never patented.

Talk to a specialist

Latest action published by the INPI: 01/31/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Mitsui Toatsu Chemicals, Inc

JP

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Inventors

A. S. (pessoa física)

K. N. (pessoa física)

JP

M. Y. (pessoa física)

S. M. (pessoa física)

T. M. (pessoa física)

T. M. (pessoa física)

JP

Technical data

IPC Classification

Priority claims

JP

62-172863 · 07/13/1987

JP

62-211355 · 08/02/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

01/31/1989

RPI 954

Pedido de patente depositado

#2.1

12/13/1988

RPI 947

Indeferimento

#9.2

09/05/1995

RPI 1292

Solicitação de exame técnico

#4.1

02/19/1991

RPI 1055

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