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Official data from INPI

PROCESSO PARA A REMOÇÃO DE MERCÚRIO DE UM MEIO ORGÂNICO NÃO POLAR

PublicadaInvention Patent

Application data

Number

PI8806500

Type

Invention Patent

Filing

12/09/1988

Publication

08/22/1989

Progress at the INPI

  1. Filing12/09/88
  2. Publication08/22/89
  3. Examination10/29/91
  4. Allowance07/04/95
  5. Grant03/26/96
  6. Expired09/02/08

The letters patent expired on 09/02/2008: 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: 08/22/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Stamicarbon B.V.

NL

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Inventors

H. D. (pessoa física)

NL

P. G. (pessoa física)

NL

Technical data

IPC Classification

Priority claims

NL

87202485.6 · 12/11/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

08/22/1989

RPI 983

Pedido de patente depositado

#2.1

04/18/1989

RPI 965

Carta-patente expirada

#21.1

Patente extinta em 09/12/2003

09/02/2008

RPI 1965

Concessão da patente

#16.1

03/26/1996

RPI 1321

Notificação para pagamento de retribuição

#13.1

11/14/1995

RPI 1302

Deferimento

#9.1

07/04/1995

RPI 1283

Exigência - art. 36 da LPI

#6.1

01/03/1995

RPI 1257

Solicitação de exame técnico

#4.1

10/29/1991

RPI 1091

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