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Official data from INPI

COMPOSIÇÃO BACTERICIDA.

Em AnáliseInvention Patent

Application data

Number

PI8701454

Type

Invention Patent

Filing

03/31/1987

Publication

01/05/1988

Progress at the INPI

  1. Filing03/31/87
  2. Publication01/05/88
  3. Examination09/20/88
  4. Allowance04/20/93
  5. Grant09/28/93
  6. Expired07/29/08

The letters patent expired on 07/29/2008: 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: 09/20/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Eisai Co., Ltd.

JP

Kao Corporation S/A

ES

See this company's full portfolio

Inventors

M. S. (pessoa física)

JP

S. A. (pessoa física)

JP

T. I. (pessoa física)

JP

Y. H. (pessoa física)

JP

Technical data

IPC Classification

Priority claims

JP

75978/86 · 04/02/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

09/20/1988

RPI 935

Publicação do pedido de patente

#3.1

01/05/1988

RPI 898

Pedido de patente depositado

#2.1

07/07/1987

RPI 872

Carta-patente expirada

#21.1

Patente extinta em 31/03/2002

07/29/2008

RPI 1960

Concessão da patente

#16.1

09/28/1993

RPI 1191

Deferimento

#9.1

04/20/1993

RPI 1168

Republicação - classificação IPC

#15.11

09/22/1992

RPI 1138

Exigência - art. 36 da LPI

#6.1

11/05/1991

RPI 1092

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