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Official data from INPI

COMPOSICAO RESINOSA DE LIGACAO EM CRUZ E PROCESSO PARA PREPARACAO DE UM COPOLIMERO TERMOCURAVEL,LIGAVEL EM CRUZ,CATIONICO

Em AnáliseInvention Patent

Application data

Number

PI7601469

Type

Invention Patent

Filing

03/11/1976

Publication

-

Progress at the INPI

  1. Filing03/11/76
  2. Publication
  3. Examination
  4. Allowance
  5. Grant
  6. Terminated05/14/85

The patent was granted 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: 05/14/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

ICI AMERICA INC

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Inventors

C. D. (pessoa física)

Technical data

IPC Classification

No IPC classification.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

05/14/1985

RPI 760

Cessão de direito de exploração

#22.1

11/06/1984

RPI 733

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