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Official data from INPI

MÉTODO DE PROTEÇÃO DE UM SUBSTRATO CONTRA OS EFEITOS DA RADIAÇÃO ULTRAVIOLETA E COMPOSIÇÃO DE FILTRO SOLAR

Em AnáliseInvention Patent

Application data

Number

PI8903225

Type

Invention Patent

Filing

06/29/1989

Publication

01/02/1991

Progress at the INPI

  1. Filing06/29/89
  2. Publication01/02/91
  3. Examination04/09/91
  4. Allowance
  5. Grant
  6. In force

Published on 01/02/1991, 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: 09/12/1995. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

ICI Americas, Inc.

US

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Inventors

C. P. (pessoa física)

D. G. (pessoa física)

T. C. (pessoa física)

Technical data

IPC Classification

Priority claims

GB

8913345.8 · 06/09/1989

US

212,824 · 06/29/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Retificação

#15.3

09/12/1995

RPI 1293

Solicitação de exame técnico

#4.1

04/09/1991

RPI 1062

Publicação do pedido de patente

#3.1

01/02/1991

RPI 1048

Pedido de patente depositado

#2.1

01/23/1990

RPI 1003

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