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Official data from INPI

PROCESSO PARA SINTESE CONCOMITANTE DE ESTERES DE ALCANOL E DE GLICOL VICINAL

Em AnáliseInvention Patent

Application data

Number

PI7904194

Type

Invention Patent

Filing

07/03/1978

Publication

-

Progress at the INPI

  1. Filing07/03/78
  2. Publication
  3. Examination01/26/82
  4. Allowance01/11/83
  5. Grant07/26/83
  6. Terminated06/14/88

The patent was granted on 07/26/1983 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: 06/14/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

TEXACO DEVELOPMENT CORP

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Inventors

K. J. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

06/14/1988

RPI 921

Concessão da patente

#16.1

07/26/1983

RPI 666

Notificação para pagamento de retribuição

#13.1

05/24/1983

RPI 657

Deferimento

#9.1

01/11/1983

RPI 638

6.2

06/22/1982

RPI 609

Solicitação de exame técnico

#4.1

01/26/1982

RPI 588

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