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Official data from INPI

POLISSILOXANO, PROCESSO PARA SUA PRODUCAO E SEU USO

Em AnáliseInvention Patent

Application data

Number

PI8000013

Type

Invention Patent

Filing

01/04/1979

Publication

-

Progress at the INPI

  1. Filing01/04/79
  2. Publication
  3. Examination07/06/82
  4. Allowance09/25/84
  5. Grant07/30/85
  6. Terminated05/17/88

The patent was granted on 07/30/1985 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: 05/17/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

BAYER AG

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Inventors

E. E. (pessoa física)

F. H. (pessoa física)

S. M. (pessoa física)

Technical data

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

05/17/1988

RPI 917

Concessão da patente

#16.1

07/30/1985

RPI 771

Notificação para pagamento de retribuição

#13.1

06/25/1985

RPI 766

9.1.3

02/26/1985

RPI 749

9.1.3

11/27/1984

RPI 736

Deferimento

#9.1

09/25/1984

RPI 727

Exigência - art. 36 da LPI

#6.1

02/28/1984

RPI 697

6.2

01/11/1983

RPI 638

Solicitação de exame técnico

#4.1

07/06/1982

RPI 611

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