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Official data from INPI

PROCESSO PARA PRODUZIR UM POLÍMERO DE CLORETO DE VINILA CLORADO.

Arquivada/ExtintaInvention Patent
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Application data

Number

PI9004612

Type

Invention Patent

Filing

09/14/1990

Publication

09/10/1991
View on INPI

Progress at the INPI

  1. Filing09/14/90
  2. Publication09/10/91
  3. Examination10/13/93
  4. Allowance09/08/99
  5. Grant03/08/00
  6. Expired01/29/13

The letters patent expired on 01/29/2013: 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: 01/29/2013. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

The B.F. Goodrich Company

US

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Inventors

R. V. (pessoa física)

US

Z. S. (pessoa física)

US

Technical data

IPC Classification

C08F 14/06C08F 2/20C08F 8/22

Priority claims

US

416,203 · 10/02/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 14/09/2010

01/29/2013

RPI 2195

Concessão da patente

#16.1

03/08/2000

RPI 1522

Deferimento

#9.1

09/08/1999

RPI 1496

Exigência - art. 36 da LPI

#6.1

01/05/1999

RPI 1461

Exigência - art. 36 da LPI

#6.1

07/14/1998

RPI 1438

Solicitação de exame técnico

#4.1

10/13/1993

RPI 1193

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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