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Official data from INPI

COMPOSIÇÃO DE REVESTIMENTO ANTI-INCRUSTANTE

Arquivada/ExtintaInvention Patent
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Application data

Number

PI8905149

Type

Invention Patent

Filing

10/11/1989

Publication

05/15/1990
View on INPI

Progress at the INPI

  1. Filing10/11/89
  2. Publication05/15/90
  3. Examination10/16/90
  4. Allowance07/13/99
  5. Grant12/28/99
  6. Expired12/26/12

The letters patent expired on 12/26/2012: 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: 12/26/2012. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Courtaulds Coatings Limited

GB

Inventors

A. A. (pessoa física)

GB

D. A. (pessoa física)

GB

G. H. (pessoa física)

GB

J. R. (pessoa física)

GB

J. H. (pessoa física)

GB

K. B. (pessoa física)

GB

M. N. (pessoa física)

GB

Technical data

IPC Classification

C09D 193/00C09D 5/14C09D 5/16

Priority claims

GB

8.824.003.1 · 10/13/1988

GB

8.910.970.6 · 05/12/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 28/12/2009

12/26/2012

RPI 2190

Concessão da patente

#16.1

12/28/1999

RPI 1512

Deferimento

#9.1

07/13/1999

RPI 1488

Exigência - art. 36 da LPI

#6.1

11/03/1998

RPI 1452

Solicitação de exame técnico

#4.1

10/16/1990

RPI 1037

Publicação do pedido de patente

#3.1

05/15/1990

RPI 1018

Pedido de patente depositado

#2.1

03/06/1990

RPI 1008

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