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Official data from INPI

PIROLISE CONDICIONADA DE BIOMASSA PARA PRODUCAO DE ALCATROES

Em AnáliseInvention Patent
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Application data

Number

PI8103665

Type

Invention Patent

Filing

06/08/1981

Publication

01/11/1983
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Progress at the INPI

Technical opinion to answer
  1. Filing06/08/81
  2. Publication01/11/83
  3. Examination01/10/84
  4. Allowance
  5. Grant
  6. In force

The INPI issued a technical opinion on patentability. The applicant must respond for examination to continue.

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Latest action published by the INPI: 11/03/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

INST PESQUISAS APERFEICOAMENTO [BR]

Inventors

B. D. (pessoa física)

C. R. (pessoa física)

Technical data

IPC Classification

C10L 5/44

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Retificação

#15.3

11/03/1987

RPI 889

Republicação - classificação IPC

#15.11

06/18/1985

RPI 765

Conhecimento de parecer técnico

#7.1

04/23/1985

RPI 757

Solicitação de exame técnico

#4.1

01/10/1984

RPI 690

Publicação do pedido de patente

#3.1

01/11/1983

RPI 638

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