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Official data from INPI

PROCESSO PARA A PREPARAÇÃO DE DIISOPROPILBENZENO-BISPER-NEOALCANOATOS E SUA APLICAÇÃO.

Arquivada/ExtintaInvention PatentPCT · EP1989000228

Application data

Number

PI8907290

Type

Invention Patent

Filing

03/06/1989

Publication

03/12/1991

PCT

EP1989000228

Progress at the INPI

  1. Filing03/06/89
  2. Publication03/12/91
  3. Examination08/27/91
  4. Allowance11/24/98
  5. Grant06/01/99
  6. Expired12/18/12

The letters patent expired on 12/18/2012: 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: 12/18/2012. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Peroxid-Chemie GmbH

DE

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Inventors

D. H. (pessoa física)

DE

D. D. (pessoa física)

DE

D. Z. (pessoa física)

DE

Technical data

IPC Classification

Priority claims

DE

P 38 07 564.4 · 03/08/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 01/06/2009

12/18/2012

RPI 2189

Concessão da patente

#16.1

06/01/1999

RPI 1482

Deferimento

#9.1

11/24/1998

RPI 1455

Exigência - art. 36 da LPI

#6.1

06/16/1998

RPI 1434

Solicitação de exame técnico

#4.1

08/27/1991

RPI 1082

Notificação de entrada na fase nacional - PCT

#1.3

03/12/1991

RPI 1058

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