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Official data from INPI

PROCESSO PARA PREPARAR UM CATALIZADOR SUPORTADO CONTENDO PRATA,CATALIZADOR ASSIM OBTIDO,E PROCESSO PARA PRODUZIR OXIDO DE ETILENO

Em AnáliseInvention Patent

Application data

Number

PI7608753

Type

Invention Patent

Filing

12/29/1975

Publication

-

Progress at the INPI

  1. Filing12/29/75
  2. Publication
  3. Examination
  4. Allowance02/16/82
  5. Grant10/26/82
  6. Terminated11/24/87

The patent was granted on 10/26/1982 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: 11/24/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

TEXACO DEVELOPMENT CORP

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Inventors

C. S. (pessoa física)

Technical data

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

11/24/1987

RPI 892

Concessão da patente

#16.1

10/26/1982

RPI 627

Notificação para pagamento de retribuição

#13.1

06/08/1982

RPI 607

Deferimento

#9.1

02/16/1982

RPI 591

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