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Official data from INPI

PROCESSO DE PRODUÇÃO DE COMPOSTOS DE BORRACHA A PARTIR DA SUBSTITUIÇÃO DE CARGA REFROÇANTE POR LIGNINA HIDROLÍTICA E SUA ADIÇÃO A NEGRO-DE-FUMO.

Em AnáliseInvention Patent
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Application data

Number

PI8501402

Type

Invention Patent

Filing

03/27/1985

Publication

11/04/1986
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Progress at the INPI

  1. Filing03/27/85
  2. Publication11/04/86
  3. Abandoned11/01/88
  4. Allowance
  5. Grant
  6. In force

The application was abandoned: the INPI technical office action was not answered in time (art. 36 of the Brazilian IP Act). The technology is in the public domain in Brazil.

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Latest action published by the INPI: 11/01/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Fundação de Tecnologia Industrial

SP, BR

Inventors

C. T. (pessoa física)

R. M. (pessoa física)

V. O. (pessoa física)

Technical data

IPC Classification

C08F 236/10C08L 47/00

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

11/01/1988

RPI 941

Retificação

#15.6

09/06/1988

RPI 933

Retificação

#15.3

05/31/1988

RPI 919

Publicação do pedido de patente

#3.1

11/04/1986

RPI 837

Pedido de patente depositado

#2.1

06/18/1985

RPI 765

Arquivamento - Art. 36 §1° da LPI

#11.2

04/16/1991

RPI 1063

Exigência - art. 36 da LPI

#6.1

08/14/1990

RPI 1028

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