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Official data from INPI

PROCESSO PARA A PREPARACAO DE AMIDAS DO ACIDO A-ACETOCARBOXILICO N-SUBSTITUIDAS E COMPOSICAO ASSIM OBTIDA

Em AnáliseInvention Patent

Application data

Number

PI7804646

Type

Invention Patent

Filing

07/22/1977

Publication

-

Progress at the INPI

  1. Filing07/22/77
  2. Publication
  3. Examination
  4. Allowance11/13/84
  5. Grant05/28/85
  6. Terminated05/17/88

The patent was granted on 05/28/1985 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

DEGUSSA

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Inventors

K. A. (pessoa física)

K. H. (pessoa física)

O. H. (pessoa física)

S. P. (pessoa física)

S. W. (pessoa física)

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

05/17/1988

RPI 917

20.4

11/12/1985

RPI 786

Concessão da patente

#16.1

05/28/1985

RPI 762

Notificação para pagamento de retribuição

#13.1

03/26/1985

RPI 753

Deferimento

#9.1

11/13/1984

RPI 734

Exigência - art. 36 da LPI

#6.1

03/20/1984

RPI 700

Exigência - art. 36 da LPI

#6.1

09/20/1983

RPI 674

Exigência - art. 36 da LPI

#6.1

01/18/1983

RPI 639

Exigência - art. 36 da LPI

#6.1

07/20/1982

RPI 613

6.2

10/13/1981

RPI 573

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