Official data from INPI

COMPOSIÇÃO POLIMÉRICA APROPRIADA PARA MOLDAGEM POR INJEÇÃO

Arquivada/ExtintaInvention Patent

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Application data

Number

PI9101159

Type

Invention Patent

Filing

03/25/1991

Publication

11/26/1991

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Progress at the INPI

Filing03/25/91
Publication11/26/91
Examination01/11/94
Allowance12/26/00
Grant04/17/01
Expired05/28/13

The letters patent expired on 05/28/2013: 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: 05/28/2013. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Rohm And Haas Company

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Inventors

H. P. (pessoa física)

Technical data

IPC Classification

C08L 27/06

Priority claims

505,081 · 04/04/1990

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 17/04/2011

05/28/2013

RPI 2212

Concessão da patente

#16.1

04/17/2001

RPI 1580

Deferimento

#9.1

12/26/2000

RPI 1564

Exigência - art. 36 da LPI

#6.1

08/10/1999

RPI 1492

Solicitação de exame técnico

#4.1

01/11/1994

RPI 1206

Publicação do pedido de patente

#3.1

11/26/1991

RPI 1095

Pedido de patente depositado

#2.1

09/24/1991

RPI 1086

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