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Official data from INPI

PROCESSO PARA A PREPARAÇÃO DE MISTURA SULFOSUCCINATO DIALQUILICO, ATIVO COMO DETERGENTE, E, COMPOSIÇÃO DETERGENTE; LIQUIDA, ESPUMANTE

ConcedidaInvention Patent

Application data

Number

PI8400217

Type

Invention Patent

Filing

01/19/1984

Publication

08/28/1984

Progress at the INPI

  1. Filing01/19/84
  2. Publication08/28/84
  3. Examination12/11/84
  4. Allowance05/16/89
  5. Grant11/28/89
  6. Terminated12/24/96

The patent was granted on 11/28/1989 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: 11/28/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Unilever N.V

NL

Unilever N.V.

NL

See this company's full portfolio

Inventors

A. N. (pessoa física)

GB

Technical data

IPC Classification

Priority claims

GB

8301745 · 01/21/1983

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

11/28/1989

RPI 997

Notificação para pagamento de retribuição

#13.1

09/12/1989

RPI 986

Deferimento

#9.1

05/16/1989

RPI 969

Exigência - art. 36 da LPI

#6.1

05/10/1988

RPI 916

Solicitação de exame técnico

#4.1

12/11/1984

RPI 738

Publicação do pedido de patente

#3.1

08/28/1984

RPI 723

Pedido de patente depositado

#2.1

03/20/1984

RPI 700

Anuidade - prazo legal encerrado

#18.2

12/24/1996

RPI 1360

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