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Official data from INPI

PROCESSO PARA A PRODUCAO DE TRIESTERES DE ACIDO FOSFORICO

ConcedidaInvention Patent

Application data

Number

PI7904847

Type

Invention Patent

Filing

07/29/1978

Publication

-

Progress at the INPI

  1. Filing07/29/78
  2. Publication
  3. Examination06/29/82
  4. Allowance09/02/86
  5. Grant06/02/87
  6. Terminated01/28/92

The patent was granted on 06/02/1987 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: 06/02/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

BAYER AG

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Inventors

H. U. (pessoa física)

S. H. (pessoa física)

T. E. (pessoa física)

V. H. (pessoa física)

W. C. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

06/02/1987

RPI 867

Notificação para pagamento de retribuição

#13.1

12/30/1986

RPI 845

Deferimento

#9.1

09/02/1986

RPI 828

Exigência - art. 36 da LPI

#6.1

12/18/1984

RPI 739

6.2

02/01/1983

RPI 641

Solicitação de exame técnico

#4.1

06/29/1982

RPI 610

Anuidade - prazo legal encerrado

#18.2

01/28/1992

RPI 1104

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