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Official data from INPI

COMPOSIÇÃO DE POLIAMIDA SINTÉTICA MODIFICADA E PROCESSO PARA SUA PREPARAÇÃO

Arquivada/ExtintaInvention Patent
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Application data

Number

PI9000241

Type

Invention Patent

Filing

01/22/1990

Publication

11/20/1990
View on INPI

Progress at the INPI

  1. Filing01/22/90
  2. Publication11/20/90
  3. Examination04/06/93
  4. Allowance06/15/99
  5. Grant02/08/00
  6. Expired01/02/13

The letters patent expired on 01/02/2013: 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: 01/02/2013. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Clariant Finance (BVI) Limited

VG

Sandoz A.G.

CH

See this company's full portfolio

Inventors

A. V. (pessoa física)

FR

B. K. (pessoa física)

CH

Technical data

IPC Classification

C08G 69/48

Priority claims

DE

P 39 01 716.8 · 01/21/1989

DE

P 39 01 717.6 · 01/21/1989

DE

P 39 30 089.7 · 09/09/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 08/02/2010

01/02/2013

RPI 2191

Concessão da patente

#16.1

02/08/2000

RPI 1518

Deferimento

#9.1

06/15/1999

RPI 1484

Exigência - art. 36 da LPI

#6.1

12/22/1998

RPI 1459

Exigência - art. 36 da LPI

#6.1

07/14/1998

RPI 1438

Transferência deferida

#25.1

09/16/1997

RPI 1398

Exigência - art. 36 da LPI

#6.1

01/16/1996

RPI 1311

6.2

03/28/1995

RPI 1269

Solicitação de exame técnico

#4.1

04/06/1993

RPI 1166

Publicação do pedido de patente

#3.1

11/20/1990

RPI 1042

Pedido de patente depositado

#2.1

05/22/1990

RPI 1019

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