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Official data from INPI

COMPOSICAO MISTA,COMPOSICAO DE LATEX,PROCESSO PARA SUA PREPARACAO

Em AnáliseInvention Patent

Application data

Number

PI7907962

Type

Invention Patent

Filing

12/07/1978

Publication

-

Progress at the INPI

  1. Filing12/07/78
  2. Publication
  3. Examination03/30/82
  4. Allowance07/14/87
  5. Grant11/24/87
  6. Terminated10/03/89

The patent was granted on 11/24/1987 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 10/03/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

DOW CHEMICAL CO

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Inventors

S. O. (pessoa física)

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

10/03/1989

RPI 989

Concessão da patente

#16.1

11/24/1987

RPI 892

Deferimento

#9.1

07/14/1987

RPI 873

Exigência - art. 36 da LPI

#6.1

01/24/1984

RPI 692

Solicitação de exame técnico

#4.1

03/30/1982

RPI 597

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