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Official data from INPI

PROCESSO PARA A OBTENCAO DE ESTERES ACRILICOS E METACRILICOS

IndeferidaInvention Patent

Application data

Number

PI7802255

Type

Invention Patent

Filing

02/17/1978

Publication

-

Progress at the INPI

Under appeal
  1. Filing02/17/78
  2. Publication
  3. Examination
  4. Refused05/24/83
  5. Grant
  6. In force

The application was refused by the INPI on 05/24/1983. The invention was never patented.

Talk to a specialist

Latest action published by the INPI: 05/24/1983. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

ROHM & HAAS

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Inventors

No inventors listed.

Technical data

IPC Classification

No IPC classification.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Indeferimento

#9.2

05/24/1983

RPI 657

Conhecimento de parecer técnico

#7.1

08/03/1982

RPI 615

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