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Official data from INPI

COMPOSIÇÃO POLIMÉRICA TERMOPLÁSTICA TENDO CARACTERÍSTICAS ANTIÉSTÁTICAS; PROCESSO PARA SUA FABRICAÇÃO; PELÍCULA ANTI-ESTÁTICA TENDO UMA OU MAIS CAMADAS; PELÍCULA DE CAMADAS MÚLTIPLAS; E PROCESSO PARA A PROTEÇÃO CONTRA CARGAS ELETROSTÁTICAS DE DISPOSITIVOS EMBALADOS SENSÍVEIS À ESTÁTICA

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Application data

Number

PI8705493

Type

Invention Patent

Filing

10/14/1987

Publication

05/24/1988
View on INPI

Progress at the INPI

  1. Filing10/14/87
  2. Publication05/24/88
  3. Examination10/23/90
  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

W.R Grace & Co.

US

W.R Grace & Co. - Conn

US

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Inventors

J. L. (pessoa física)

US

M. H. (pessoa física)

US

Technical data

IPC Classification

C08J 5/22C08K 5/20C08L 33/24

Priority claims

US

918.451 · 10/14/1986

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

Retificação

#15.3

09/19/1995

RPI 1294

14.4

06/08/1993

RPI 1175

Exigência - art. 36 da LPI

#6.1

05/04/1993

RPI 1170

Exigência - art. 36 da LPI

#6.1

07/07/1992

RPI 1127

Solicitação de exame técnico

#4.1

10/23/1990

RPI 1038

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