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Official data from INPI

PROCESSO PARA A PURIFICACAO DE COPOLIMEROS DE ETILENO/ALFA-OLEFINA

Em AnáliseInvention Patent

Application data

Number

PI8604446

Type

Invention Patent

Filing

09/18/1985

Publication

05/12/1987

Progress at the INPI

  1. Filing09/18/85
  2. Publication05/12/87
  3. Abandoned11/17/87
  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: 11/17/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

UNIROYAL CHEM CO INC [US]

Inventors

G. R. (pessoa física)

K. A. (pessoa física)

N. W. (pessoa física)

Y. A. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

11/17/1987

RPI 891

Publicação do pedido de patente

#3.1

05/12/1987

RPI 864

Pedido de patente depositado

#2.1

03/24/1987

RPI 857

Arquivamento - Art. 36 §1° da LPI

#11.2

04/16/1991

RPI 1063

6.2

08/07/1990

RPI 1027

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