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Official data from INPI

PROCESSO PARA PREPARAR ISETIONATO DE ACILA

ConcedidaInvention Patent

Application data

Number

PI8204913

Type

Invention Patent

Filing

08/23/1982

Publication

08/02/1983

Progress at the INPI

  1. Filing08/23/82
  2. Publication08/02/83
  3. Examination05/14/85
  4. Allowance12/29/87
  5. Grant07/26/88
  6. Expired07/01/08

The letters patent expired on 07/01/2008: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

Talk to a specialist

Latest action published by the INPI: 07/26/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Unilever N.V

NL

See this company's full portfolio

Inventors

L. B. (pessoa física)

US

V. L. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

295.943 · 08/24/1981

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

07/26/1988

RPI 927

Notificação para pagamento de retribuição

#13.1

05/10/1988

RPI 916

Deferimento

#9.1

12/29/1987

RPI 897

Exigência - art. 36 da LPI

#6.1

12/17/1985

RPI 791

Solicitação de exame técnico

#4.1

05/14/1985

RPI 760

Publicação do pedido de patente

#3.1

08/02/1983

RPI 667

Pedido de patente depositado

#2.1

10/13/1982

RPI 625

Carta-patente expirada

#21.1

Patente extinta em 23/08/97

07/01/2008

RPI 1956

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