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Official data from INPI

PROCESSO PARA PREPARAR DERIVADOS DE ÁCIDO 2-CIANO-HEXANOICO, E PRODUTOS OBTIDOS

Em AnáliseInvention Patent

Application data

Number

PI7901046

Type

Invention Patent

Filing

02/19/1979

Publication

-

Progress at the INPI

  1. Filing02/19/79
  2. Publication
  3. Examination11/03/81
  4. Allowance08/30/83
  5. Grant03/27/84
  6. Terminated06/24/86

The patent was granted on 03/27/1984 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 06/24/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Shell Internationale Research Maatschappij B.V

NL

See this company's full portfolio

Inventors

H. V. (pessoa física)

NL

J. S. (pessoa física)

NL

M. A. (pessoa física)

GB

R. S. (pessoa física)

NL

Technical data

IPC Classification

Priority claims

GB

21011/78 · 05/24/1978

GB

6722/78 · 02/20/1978

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

06/24/1986

RPI 818

Cessão de direito de exploração

#22.1

06/04/1985

RPI 763

Concessão da patente

#16.1

03/27/1984

RPI 701

Notificação para pagamento de retribuição

#13.1

12/20/1983

RPI 687

Deferimento

#9.1

08/30/1983

RPI 671

Exigência - art. 36 da LPI

#6.1

02/08/1983

RPI 642

6.2

05/25/1982

RPI 605

Solicitação de exame técnico

#4.1

11/03/1981

RPI 576

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