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Official data from INPI

COMPOSIÇÃO DE RESINA DE POLÍMERO ESTIRÊNICO REFORÇADO COM BORRACHA APRESENTANDO ALONGAMENTO AUMENTADO E PROCESSO PARA SUA PREPARAÇÃO.

Em AnáliseInvention Patent
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Application data

Number

PI8505665

Type

Invention Patent

Filing

11/11/1985

Publication

08/12/1986
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Progress at the INPI

  1. Filing11/11/85
  2. Publication08/12/86
  3. Examination09/20/88
  4. Allowance12/01/92
  5. Abandoned
  6. In force

The application was allowed on 12/01/1992 but abandoned for failure to pay the grant fee (art. 38 of the Brazilian IP Act). The letters patent were never issued.

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Latest action published by the INPI: 09/20/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

The Dow Chemical Company

US

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Inventors

H. D. (pessoa física)

Technical data

IPC Classification

C08K 5/10C08L 101/00C08L 25/02C08L 51/00C08L 51/02C08L 55/02

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

09/20/1988

RPI 935

Publicação do pedido de patente

#3.1

08/12/1986

RPI 825

Pedido de patente depositado

#2.1

01/21/1986

RPI 796

Arquivamento - Art. 38 §2° da LPI

#11.4

09/08/1993

RPI 1188

Notificação para pagamento de retribuição

#13.1

04/20/1993

RPI 1168

Deferimento

#9.1

12/01/1992

RPI 1148

Exigência - art. 36 da LPI

#6.1

10/15/1991

RPI 1089

Exigência - art. 36 da LPI

#6.1

01/29/1991

RPI 1052

Conhecimento de parecer técnico

#7.1

03/13/1990

RPI 1009

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