Official data from INPI

COMPOSICAO DE CIANO-ACRILATO POLIMERIZAVEL OPACA A RADIACOES E PROCESSO PARA SUA PREPARACAO

Em AnáliseInvention Patent

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Application data

Number

PI8106709

Type

Invention Patent

Filing

10/20/1980

Publication

07/06/1982

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Progress at the INPI

Technical opinion to answer

Filing10/20/80
Publication07/06/82
Examination08/28/84
Allowance
Grant
In force

The INPI issued a technical opinion on patentability. The applicant must respond for examination to continue.

Latest action published by the INPI: 11/17/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

POPULATION RES INC [GB]

Inventors

K. E. (pessoa física)

Technical data

IPC Classification

C08K 5/09 C08L 33/14

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Retificação

#15.3

11/17/1987

RPI 891

Conhecimento de parecer técnico

#7.1

04/09/1985

RPI 755

Solicitação de exame técnico

#4.1

08/28/1984

RPI 723

14.7

11/01/1983

RPI 680

14.4

09/27/1983

RPI 675

Publicação do pedido de patente

#3.1

07/06/1982

RPI 611

Pedido de patente depositado

#2.1

12/01/1981

RPI 580

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