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Official data from INPI

COPOLIMEROS DE ALFA-OLEFINA FUNCIONALIZADOS COM DISTRIBUIÇÃO ESTREITA DE PESO MOLECULAR.

ArquivadaInvention PatentPCT · US1989005486

Application data

Number

PI8907807

Type

Invention Patent

Filing

12/05/1989

Publication

08/20/1991

PCT

US1989005486

Progress at the INPI

  1. Filing12/05/89
  2. Publication08/20/91
  3. Abandoned10/27/92
  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: 11/07/1995. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Exxon Chemical Patents Inc

US

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Inventors

E. K. (pessoa física)

US

S. D. (pessoa física)

US

Technical data

Priority claims

US

281.243 · 12/07/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 36 §1° da LPI

#11.2

11/07/1995

RPI 1301

Exigência - art. 36 da LPI

#6.1

02/07/1995

RPI 1262

Solicitação de exame técnico

#4.1

10/27/1992

RPI 1143

Notificação de entrada na fase nacional - PCT

#1.3

08/20/1991

RPI 1081

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