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Official data from INPI

PROCESSO DE RECUPERAR SUBSTÂNCIAS QUÍMICAS DE LICORES DE POLPA USADOS

DeferidaInvention Patent

Application data

Number

PI8505120

Type

Invention Patent

Filing

10/16/1985

Publication

07/29/1986

Progress at the INPI

  1. Filing10/16/85
  2. Publication07/29/86
  3. Examination08/09/88
  4. Allowance10/31/89
  5. Grant06/26/90
  6. Expired07/15/08

The letters patent expired on 07/15/2008: 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: 10/31/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Chemrec AB

SE

Inventors

J. M. (pessoa física)

SE

R. B. (pessoa física)

SE

S. S. (pessoa física)

SE

Technical data

IPC Classification

Priority claims

SE

84 05 231-5 · 10/19/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Deferimento

#9.1

10/31/1989

RPI 993

Solicitação de exame técnico

#4.1

08/09/1988

RPI 929

Publicação do pedido de patente

#3.1

07/29/1986

RPI 823

Pedido de patente depositado

#2.1

12/24/1985

RPI 792

Carta-patente expirada

#21.1

Patente extinta em 16/10/2000

07/15/2008

RPI 1958

Pedido de licença compulsória

#20.1

12/01/1992

RPI 1148

20.4

11/24/1992

RPI 1147

20.4

11/17/1992

RPI 1146

Concessão da patente

#16.1

06/26/1990

RPI 1024

Notificação para pagamento de retribuição

#13.1

03/06/1990

RPI 1008

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