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Official data from INPI

LÁTEX AQUOSA, COMPOSIÇÃO DE TINTA E PROCESSO PARA APLICAR UM REVESTIMENTO PROTETOR

ConcedidaInvention Patent

Application data

Number

PI8007418

Type

Invention Patent

Filing

11/13/1980

Publication

-

Progress at the INPI

  1. Filing11/13/80
  2. Publication
  3. Examination
  4. Allowance09/02/86
  5. Grant06/02/87
  6. Expired12/26/95

The letters patent expired on 12/26/1995: 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: 06/02/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Imperial Chemical Industries Plc.

GB

Zeneca Limited

GB

See this company's full portfolio

Inventors

B. A. (pessoa física)

P. J. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

06/02/1987

RPI 867

Notificação para pagamento de retribuição

#13.1

12/23/1986

RPI 844

Deferimento

#9.1

09/02/1986

RPI 828

Exigência - art. 36 da LPI

#6.1

06/25/1985

RPI 766

Exigência - art. 36 da LPI

#6.1

12/11/1984

RPI 738

Conhecimento de parecer técnico

#7.1

01/24/1984

RPI 692

6.2

11/30/1982

RPI 632

Carta-patente expirada

#21.1

12/26/1995

RPI 1308

Pedido de licença compulsória

#20.1

07/04/1995

RPI 1283

20.4

06/20/1995

RPI 1281

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