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Official data from INPI

PROCESSO PARA CONVERTER SUBPRODUTO FOSFINA SUBSTITUÍDA POR ALQUILA EM SEU ÓXIDO DE FOSFINA CORRESPONDENTE E APERFEIÇOAR A ATIVIDADE DE UM CATALISADOR DE HIDROFORMILAÇÃO DE COMPLEXO DE RÓDIO.

ConcedidaInvention Patent

Application data

Number

PI8105868

Type

Invention Patent

Filing

09/15/1981

Publication

06/08/1982

Progress at the INPI

  1. Filing09/15/81
  2. Publication06/08/82
  3. Examination11/01/83
  4. Allowance01/07/86
  5. Grant07/29/86
  6. In force09/15/01

The patent is in force and subject to a compulsory licence request: third parties have asked for authorisation to exploit the technology.

Protection valid until:09/15/2001

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Latest action published by the INPI: 07/29/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

U. C. (pessoa física)

US

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Inventors

B. E. (pessoa física)

S. D. (pessoa física)

Technical data

Priority claims

US

190.280 · 09/24/1980

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

07/29/1986

RPI 823

Notificação para pagamento de retribuição

#13.1

05/06/1986

RPI 811

Deferimento

#9.1

01/07/1986

RPI 794

6.2

04/16/1985

RPI 756

Solicitação de exame técnico

#4.1

11/01/1983

RPI 680

Publicação do pedido de patente

#3.1

06/08/1982

RPI 607

Pedido de patente depositado

#2.1

10/27/1981

RPI 575

20.4

07/31/1990

RPI 1026

20.7

07/24/1990

RPI 1025

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