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Official data from INPI

METODO PARA PROTEGER UMA COMPOSICAO POLIMERA CELULOSICA,PLASTICA OU FORMADORA DE PELICULA;COMPOSICAO PLASTICA OU FORMADORA DE PELICULA;COMPOSICAO CELULOSICA,PLASTICA OU FORMADORA DE PELICULA;COMPOSICAO MICROBIOCIDA E COMPOSTO

Em AnáliseInvention Patent

Application data

Number

PI8108420

Type

Invention Patent

Filing

12/29/1980

Publication

10/13/1982

Progress at the INPI

Technical opinion to answer
  1. Filing12/29/80
  2. Publication10/13/82
  3. Examination07/24/84
  4. Allowance
  5. Grant
  6. In force

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

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Latest action published by the INPI: 05/31/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

STAUFFER CHEMICAL CO [US]

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Inventors

G. D. (pessoa física)

L. Y. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Conhecimento de parecer técnico

#7.1

05/31/1988

RPI 919

Solicitação de exame técnico

#4.1

07/24/1984

RPI 718

Publicação do pedido de patente

#3.1

10/13/1982

RPI 625

Pedido de patente depositado

#2.1

02/24/1982

RPI 592

Retificação

#15.3

09/18/1990

RPI 1033

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