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Official data from INPI

COMPOSIÇÃO DE POLÍMERO

Prazo de SigiloInvention Patent

Application data

Number

PI8902730

Type

Invention Patent

Filing

06/08/1989

Publication

02/01/1990

Progress at the INPI

  1. Filing06/08/89
  2. Publication02/01/90
  3. Abandoned03/10/92
  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: 07/18/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Shell Internationale Research Maatschappij B.V

NL

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Inventors

E. G. (pessoa física)

US

R. L. (pessoa física)

US

W. G. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

203,959 · 06/08/1988

US

203,975 · 06/08/1988

US

239,094 · 08/31/1988

US

239,095 · 08/31/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de patente depositado

#2.1

07/18/1989

RPI 978

Arquivamento - Art. 36 §1° da LPI

#11.2

07/27/1999

RPI 1490

Exigência - art. 36 da LPI

#6.1

09/29/1998

RPI 1449

Exigência - art. 36 da LPI

#6.1

07/18/1995

RPI 1285

Exigência - art. 36 da LPI

#6.1

02/07/1995

RPI 1262

Solicitação de exame técnico

#4.1

03/10/1992

RPI 1110

Publicação do pedido de patente

#3.1

02/01/1990

RPI 1004

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