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Official data from INPI

COMPOSIÇÃO DE ÓLEO LUBRIFICANTE E PROCESSO PARA PREPARAÇÃO DE UM POLÍMERO DE ETILENO, UMA ALFA-OLEFINA E UM DIENO NÃO CONJUGADO.

Em AnáliseInvention Patent

Application data

Number

PI8505553

Type

Invention Patent

Filing

11/06/1985

Publication

08/12/1986

Progress at the INPI

Under appeal
  1. Filing11/06/85
  2. Publication08/12/86
  3. Examination05/10/88
  4. Refused07/30/91
  5. Grant
  6. In force

The application was refused by the INPI on 07/30/1991. The invention was never patented.

Talk to a specialist

Latest action published by the INPI: 05/10/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Exxon Research And Engineering Company

US

See this company's full portfolio

Inventors

E. K. (pessoa física)

US

G. V. (pessoa física)

US

Technical data

Priority claims

US

682.286 · 12/17/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

05/10/1988

RPI 916

Publicação do pedido de patente

#3.1

08/12/1986

RPI 825

Pedido de patente depositado

#2.1

01/14/1986

RPI 795

Republicação - classificação IPC

#15.11

11/05/1991

RPI 1092

Indeferimento

#9.2

07/30/1991

RPI 1078

Conhecimento de parecer técnico

#7.1

11/27/1990

RPI 1043

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