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Official data from INPI

POLIAMINAS HIDROSSOLUVEIS,PROCESSO PARA SUA PREPARACAO,SEU EMPREGO E COMPOSICOES AUXILIARES

Em AnáliseInvention Patent

Application data

Number

PI7808244

Type

Invention Patent

Filing

12/17/1977

Publication

-

Progress at the INPI

  1. Filing12/17/77
  2. Publication
  3. Examination
  4. Allowance05/14/85
  5. Grant11/26/85
  6. Terminated11/16/88

The patent was granted on 11/26/1985 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: 11/16/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

BAYER AG

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Inventors

C. G. (pessoa física)

H. K. (pessoa física)

L. W. (pessoa física)

L. W. (pessoa física)

M. F. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

11/16/1988

RPI 943

Concessão da patente

#16.1

11/26/1985

RPI 788

Notificação para pagamento de retribuição

#13.1

09/03/1985

RPI 776

Deferimento

#9.1

05/14/1985

RPI 760

Exigência - art. 36 da LPI

#6.1

10/16/1984

RPI 730

Exigência - art. 36 da LPI

#6.1

01/17/1984

RPI 691

Exigência - art. 36 da LPI

#6.1

03/08/1983

RPI 646

6.2

04/27/1982

RPI 601

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