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Official data from INPI

PROCESSO PARA PROTEGER UM SUBSTRATO CONTRA OS EFEITOS PREJUDICIAIS DA RADIAÇÃO ULTRAVIOLETA, COMPOSIÇÃO PARA PROTEÇÃO SOLAR, E, COMPOSTOS

Em AnáliseInvention Patent

Application data

Number

PI8903751

Type

Invention Patent

Filing

07/27/1989

Publication

10/02/1990

Progress at the INPI

  1. Filing07/27/89
  2. Publication10/02/90
  3. Examination02/13/91
  4. Allowance
  5. Grant
  6. In force

Published on 10/02/1990, 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)

T. C. (pessoa física)

Technical data

IPC Classification

Priority claims

GB

8916910.6 · 07/24/1989

US

225,295 · 07/28/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Retificação

#15.3

09/12/1995

RPI 1293

Solicitação de exame técnico

#4.1

02/13/1991

RPI 1054

Publicação do pedido de patente

#3.1

10/02/1990

RPI 1035

Pedido de patente depositado

#2.1

03/20/1990

RPI 1010

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