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Official data from INPI

COMPOSIÇÃO ALVEJANTE QUE COMPREENDE UM FOTO-ATIVADOR DE PORFINA E PROCESSO DE ALVEJAMENTO DE SUBSTRATOS OU LÍQUIDOS POR USO DE UM FOTO-ATIVADOR DE PORFINA.

ConcedidaInvention Patent

Application data

Number

PI8108288

Type

Invention Patent

Filing

12/21/1981

Publication

10/05/1982

Progress at the INPI

  1. Filing12/21/81
  2. Publication10/05/82
  3. Examination06/26/84
  4. Allowance10/27/87
  5. Grant05/31/88
  6. Terminated06/27/95

The patent was granted on 05/31/1988 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: 05/31/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Unilever N.V

NL

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Inventors

B. W. (pessoa física)

Technical data

IPC Classification

Priority claims

GB

8040973 · 12/22/1980

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

05/31/1988

RPI 919

Notificação para pagamento de retribuição

#13.1

03/01/1988

RPI 906

Deferimento

#9.1

10/27/1987

RPI 888

Conhecimento de parecer técnico

#7.1

03/19/1985

RPI 752

Solicitação de exame técnico

#4.1

06/26/1984

RPI 714

Publicação do pedido de patente

#3.1

10/05/1982

RPI 624

Pedido de patente depositado

#2.1

02/16/1982

RPI 591

Anuidade - prazo legal encerrado

#18.2

06/27/1995

RPI 1282

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