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Official data from INPI

APERFEIÇOAMENTO NO PROCESSO PARA A POLIMERIZAÇÃO EM LEITO FLUIDO DE ALFAOLEFINAS

PublicadaInvention Patent

Application data

Number

PI8901711

Type

Invention Patent

Filing

04/11/1989

Publication

11/21/1989

Progress at the INPI

Under appeal
  1. Filing04/11/89
  2. Publication11/21/89
  3. Examination02/19/91
  4. Refused09/12/95
  5. Grant
  6. In force

The application was refused by the INPI on 09/12/1995. The invention was never patented.

Talk to a specialist

Latest action published by the INPI: 11/21/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

U. C. (pessoa física)

US

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Inventors

D. C. (pessoa física)

W. J. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

180.759 · 04/12/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

11/21/1989

RPI 996

Pedido de patente depositado

#2.1

05/23/1989

RPI 970

Indeferimento

#9.2

09/12/1995

RPI 1293

Exigência - art. 36 da LPI

#6.1

02/21/1995

RPI 1264

Exigência - art. 36 da LPI

#6.1

07/19/1994

RPI 1233

Solicitação de exame técnico

#4.1

02/19/1991

RPI 1055

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