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Official data from INPI

PROCESSO PARA PREPARAR ISOCIANATO DE METILA

Em AnáliseInvention PatentPCT · US1987000537

Application data

Number

PI8707253

Type

Invention Patent

Filing

03/20/1987

Publication

04/19/1988

PCT

US1987000537

Progress at the INPI

  1. Filing03/20/87
  2. Publication04/19/88
  3. Examination01/02/90
  4. Allowance
  5. Grant
  6. In force

Published on 04/19/1988, 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: 04/19/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Rhone-Poulenc Nederland B.V.

NL

See this company's full portfolio

Inventors

J. C. (pessoa física)

US

Technical data

Priority claims

US

842.226 · 03/21/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Notificação de entrada na fase nacional - PCT

#1.3

04/19/1988

RPI 913

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. As classificações IPC anteriores eram: C07C 119/042; C07C 118/00.

03/20/2018

RPI 2463

Retificação

#15.3

02/16/1994

RPI 1211

Solicitação de exame técnico

#4.1

01/02/1990

RPI 1000

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