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Official data from INPI

PRODUTO COADJUVANTE DE LAVAGEM

Em AnáliseInvention PatentPCT · GB1985000178

Application data

Number

PI8506699

Type

Invention Patent

Filing

04/25/1985

Publication

04/15/1986

PCT

GB1985000178

Progress at the INPI

  1. Filing04/25/85
  2. Publication04/15/86
  3. Examination11/24/87
  4. Allowance04/18/95
  5. Grant10/31/95
  6. Expired07/15/08

The letters patent expired on 07/15/2008: 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: 11/24/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Unilever N.V.

NL

See this company's full portfolio

Inventors

H. T. (pessoa física)

FR

Technical data

IPC Classification

Priority claims

GB

8410826 · 04/27/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

11/24/1987

RPI 892

Notificação de entrada na fase nacional - PCT

#1.3

04/15/1986

RPI 808

Carta-patente expirada

#21.1

Patente extinta em 25/04/2000

07/15/2008

RPI 1958

Concessão da patente

#16.1

10/31/1995

RPI 1300

Deferimento

#9.1

04/18/1995

RPI 1272

Exigência - art. 36 da LPI

#6.1

02/08/1994

RPI 1210

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