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Official data from INPI

PROCESSO PARA A PREPARAÇÃO DE 1,1-DIACETOXIETANO.

Em AnáliseInvention Patent

Application data

Number

PI8006536

Type

Invention Patent

Filing

10/10/1980

Publication

-

Progress at the INPI

  1. Filing10/10/80
  2. Publication
  3. Examination07/26/83
  4. Allowance09/10/85
  5. Grant04/29/86
  6. Terminated07/12/88

The patent was granted on 04/29/1986 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: 07/12/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

H. A. (pessoa física)

DE

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Inventors

E. H. (pessoa física)

G. K. (pessoa física)

K. G. (pessoa física)

K. H. (pessoa física)

Technical data

Priority claims

DE

P 29 41 232.6 · 10/11/1979

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

07/12/1988

RPI 925

Concessão da patente

#16.1

04/29/1986

RPI 810

Notificação para pagamento de retribuição

#13.1

01/14/1986

RPI 795

Deferimento

#9.1

09/10/1985

RPI 777

Exigência - art. 36 da LPI

#6.1

12/11/1984

RPI 738

Exigência - art. 36 da LPI

#6.1

02/14/1984

RPI 695

Solicitação de exame técnico

#4.1

07/26/1983

RPI 666

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