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Official data from INPI

PROCESSO PARA A PREPARAÇÃO DE UM CATALISADOR DE PRATA SUPORTADO, PRODUÇÃO DE FORMALDEÍDO POR USO DO DITO CATALISADOR, E VEÍCULO INERTE POROSO PARA O MESMO.

ConcedidaInvention Patent

Application data

Number

PI8107143

Type

Invention Patent

Filing

11/04/1981

Publication

07/20/1982

Progress at the INPI

  1. Filing11/04/81
  2. Publication07/20/82
  3. Examination09/18/84
  4. Allowance07/08/86
  5. Grant02/03/87
  6. In force11/04/01

The patent was granted on 02/03/1987 and is in force until 11/04/2001. Until then, no one may make, use or sell the invention in Brazil without the owner's authorisation.

Protection valid until:11/04/2001

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Latest action published by the INPI: 02/03/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Borden Chemical Inc.

NL

Borden Inc.

US

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Inventors

K. O. (pessoa física)

Technical data

Priority claims

US

204.153 · 11/05/1980

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

02/03/1987

RPI 850

Notificação para pagamento de retribuição

#13.1

11/04/1986

RPI 837

Deferimento

#9.1

07/08/1986

RPI 820

Exigência - art. 36 da LPI

#6.1

07/02/1985

RPI 767

Solicitação de exame técnico

#4.1

09/18/1984

RPI 726

Publicação do pedido de patente

#3.1

07/20/1982

RPI 613

Alteração de nome deferida

#25.4

10/21/1997

RPI 1403

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