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Official data from INPI

PROCESSO PARA A RECUPERAÇÃO DE 1,3- BUTADIENO.

ArquivadaInvention Patent

Application data

Number

PI8101765

Type

Invention Patent

Filing

03/25/1981

Publication

-

Progress at the INPI

  1. Filing03/25/81
  2. Publication
  3. Abandoned10/18/83
  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.

Talk to a specialist

Latest action published by the INPI: 12/24/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

El Paso Products Company

Inventors

C. R. (pessoa física)

Technical data

IPC Classification

No IPC classification.

Priority claims

US

134.678 · 03/27/1980

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 36 §1° da LPI

#11.2

12/24/1985

RPI 792

Exigência - art. 36 da LPI

#6.1

06/18/1985

RPI 765

Pedido de certificado de adição de invenção

#5.1

03/20/1984

RPI 700

Solicitação de exame técnico

#4.1

10/18/1983

RPI 678

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