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Official data from INPI

COMPOSIÇÃO DE ALVEJAMENTO AQUOSA, ESTÁVEL, ESPESSADA, DE BAIXO PH

Em AnáliseInvention Patent

Application data

Number

PI8601404

Type

Invention Patent

Filing

03/26/1986

Publication

12/09/1986

Progress at the INPI

  1. Filing03/26/86
  2. Publication12/09/86
  3. Examination03/31/87
  4. Allowance10/19/93
  5. Grant05/31/94
  6. Expired07/22/08

The letters patent expired on 07/22/2008: 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: 03/31/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Unilever N.V.

NL

See this company's full portfolio

Inventors

C. O. (pessoa física)

GB

P. F. (pessoa física)

US

Technical data

IPC Classification

Priority claims

GB

8508010 · 03/27/1985

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

03/31/1987

RPI 858

Publicação do pedido de patente

#3.1

12/09/1986

RPI 842

Pedido de patente depositado

#2.1

10/21/1986

RPI 835

Carta-patente expirada

#21.1

Patente extinta em 26/03/2001

07/22/2008

RPI 1959

Concessão da patente

#16.1

05/31/1994

RPI 1226

Deferimento

#9.1

10/19/1993

RPI 1194

Republicação - classificação IPC

#15.11

08/25/1992

RPI 1134

Exigência - art. 36 da LPI

#6.1

07/07/1992

RPI 1127

Exigência - art. 36 da LPI

#6.1

10/15/1991

RPI 1089

6.2

01/02/1990

RPI 1000

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