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Official data from INPI

PROCESSO PARA OBTENÇÃO DE COMPOSTOS DE ESTANHO (IV) TETRACOORDENADOS OU PENTACOORDENADOS

Arquivada/ExtintaInvention Patent
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Application data

Number

PI9004984

Type

Invention Patent

Filing

09/28/1990

Publication

09/10/1991
View on INPI

Progress at the INPI

  1. Filing09/28/90
  2. Publication09/10/91
  3. Examination12/28/93
  4. Allowance08/17/99
  5. Grant08/22/00
  6. Expired05/21/13

The letters patent expired on 05/21/2013: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

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Latest action published by the INPI: 05/21/2013. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Rhodia Brasil Ltda

SP, BR

Rhodia S/A

SP, BR

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Inventors

B. J. (pessoa física)

FR

J. F. (pessoa física)

FR

M. P. (pessoa física)

FR

V. G. (pessoa física)

FR

Technical data

IPC Classification

C07F 7/22C08G 18/24C08K 5/57

Priority claims

FR

89/13.057 · 10/02/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 28/09/2010

05/21/2013

RPI 2211

Concessão da patente

#16.1

08/22/2000

RPI 1546

Alteração de nome deferida

#25.4

Alterado de: Rhodia S.A

07/18/2000

RPI 1541

Deferimento

#9.1

08/17/1999

RPI 1493

Exigência - art. 36 da LPI

#6.1

01/26/1999

RPI 1464

Exigência - art. 36 da LPI

#6.1

06/16/1998

RPI 1434

Solicitação de exame técnico

#4.1

12/28/1993

RPI 1204

Publicação do pedido de patente

#3.1

09/10/1991

RPI 1084

Pedido de patente depositado

#2.1

04/02/1991

RPI 1061

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