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Official data from INPI

CADEIAS POLÍMERAS COM EXTREMIDADES CAPEADAS, COPOLÍMEROS ENXERTADOS E ESTRELA, E PROCESO PARA OBTER OS MESMOS.

Em AnáliseInvention Patent

Application data

Number

PI8607048

Type

Invention Patent

Filing

12/16/1986

Publication

04/05/1988

Progress at the INPI

  1. Filing12/16/86
  2. Publication04/05/88
  3. Abandoned03/07/89
  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: 03/07/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Exxon Research And Engineering Company

US

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Inventors

C. C. (pessoa física)

US

G. S. (pessoa física)

US

S. J. (pessoa física)

US

Technical data

Priority claims

US

813.848 · 12/27/1985

US

PCT/85/02529 · 12/16/1985

US

PCT/86/02706 · 12/16/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

03/07/1989

RPI 959

Notificação de entrada na fase nacional - PCT

#1.3

04/05/1988

RPI 911

Arquivamento - Art. 36 §1° da LPI

#11.2

02/14/1995

RPI 1263

Exigência - art. 36 da LPI

#6.1

07/19/1994

RPI 1233

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