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Official data from INPI

COMPOSIÇÃO ANTIESPUMANTE

ConcedidaInvention Patent

Application data

Number

PI8205363

Type

Invention Patent

Filing

08/14/1982

Publication

08/23/1983

Progress at the INPI

  1. Filing08/14/82
  2. Publication08/23/83
  3. Examination06/26/84
  4. Allowance10/04/88
  5. Grant05/30/89
  6. Terminated02/11/92

The patent was granted on 05/30/1989 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: 05/30/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Unilever N.V

NL

See this company's full portfolio

Inventors

P. G. (pessoa física)

GB

Technical data

IPC Classification

Priority claims

GB

8127967 · 09/16/1981

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

05/30/1989

RPI 971

Notificação para pagamento de retribuição

#13.1

01/24/1989

RPI 953

Deferimento

#9.1

10/04/1988

RPI 937

Exigência - art. 36 da LPI

#6.1

03/22/1988

RPI 909

Conhecimento de parecer técnico

#7.1

04/02/1985

RPI 754

Solicitação de exame técnico

#4.1

06/26/1984

RPI 714

Publicação do pedido de patente

#3.1

08/23/1983

RPI 670

Pedido de patente depositado

#2.1

10/26/1982

RPI 627

Anuidade - prazo legal encerrado

#18.2

02/11/1992

RPI 1106

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