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Official data from INPI

"PROCESSO DE OLIGOMERIZAÇÃO OU COOLIGOMERIZAÇÃO; PRECURSOR DE CATALISADOR; PRODUTO DE REAÇÃO DO PRECUOSOR DE CATALISADOR; CATALISADOR DE OLIGOMERIZAÇÃO; E LIGANTE DE SULFONATO DE ORGANOFÓSFORO."

PublicadaInvention Patent

Application data

Number

PI8703795

Type

Invention Patent

Filing

07/21/1987

Publication

03/29/1988

Progress at the INPI

  1. Filing07/21/87
  2. Publication03/29/88
  3. Abandoned08/14/90
  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: 03/29/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

U. C. (pessoa física)

US

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Inventors

R. M. (pessoa física)

US

Technical data

Priority claims

US

887.183 · 07/21/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

03/29/1988

RPI 910

Pedido de patente depositado

#2.1

10/06/1987

RPI 885

Republicação - classificação IPC

#15.11

02/12/1997

RPI 1367

Arquivamento - Art. 36 §1° da LPI

#11.2

02/06/1996

RPI 1314

Exigência - art. 36 da LPI

#6.1

06/06/1995

RPI 1279

Solicitação de exame técnico

#4.1

08/14/1990

RPI 1028

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