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Official data from INPI

COMPOSIÇÃO POLIMÉRICA CRISTALINA ESTABILIZADA, PROCESSO PARA ESTABILIZAÇÃO DE UM POLÍMERO CONTRA PERDA DA CRISTALINIDADE APARENTE, E PROCESSO PARA RETER UMA CRISTALINIDADE APARENTE RELATIVAMENTE ALTA DE UMA POLICETONA

PublicadaInvention Patent

Application data

Number

PI8804990

Type

Invention Patent

Filing

09/27/1988

Publication

05/02/1989

Progress at the INPI

  1. Filing09/27/88
  2. Publication05/02/89
  3. Examination05/28/91
  4. Allowance
  5. Grant
  6. In force

Published on 05/02/1989, the application is awaiting technical examination at the INPI, which decides whether the invention meets the patentability requirements.

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Latest action published by the INPI: 05/02/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

S. R. (pessoa física)

NL

Inventors

R. K. (pessoa física)

US

R. R. (pessoa física)

R. K. (pessoa física)

Technical data

IPC Classification

Priority claims

US

102,467 · 09/29/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

05/02/1989

RPI 967

Pedido de patente depositado

#2.1

02/08/1989

RPI 955

Retificação

#15.3

02/16/1994

RPI 1211

Solicitação de exame técnico

#4.1

05/28/1991

RPI 1069

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