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Official data from INPI

COMPOSIÇÃO CATALISADORA E PROCESSO DE OXICLORAÇÃO PARA A PRODUÇÃO DE 1,2-DICLOROETANO.

PublicadaInvention Patent

Application data

Number

PI8704334

Type

Invention Patent

Filing

08/21/1987

Publication

04/19/1988

Progress at the INPI

  1. Filing08/21/87
  2. Publication04/19/88
  3. Examination09/25/90
  4. Allowance11/11/97
  5. Grant08/25/98
  6. Expired08/26/08

The letters patent expired on 08/26/2008: 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: 04/19/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Oxy Vinyls, L.P.

US

The B.F. Goodrich Company

US

The Geon Company

US

Inventors

J. E. (pessoa física)

US

J. C. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

898.566 · 08/21/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

04/19/1988

RPI 913

Pedido de patente depositado

#2.1

11/17/1987

RPI 891

Carta-patente expirada

#21.1

Patente extinta em 25/08/2008

08/26/2008

RPI 1964

Transferência deferida

#25.1

Transferido de: The Geon Company

07/17/2001

RPI 1593

Alteração de sede deferida

#25.7

Alterada a sede conforme solicitado na Pet/RJ Nº 053117, de 26/12/2000.

06/19/2001

RPI 1589

Concessão da patente

#16.1

08/25/1998

RPI 1444

Deferimento

#9.1

11/11/1997

RPI 1406

Exigência - art. 36 da LPI

#6.1

01/28/1997

RPI 1365

14.1

12/05/1995

RPI 1305

Exigência - art. 36 da LPI

#6.1

07/18/1995

RPI 1285

Solicitação de exame técnico

#4.1

09/25/1990

RPI 1034

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