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Official data from INPI

PROCESSO PARA PREPARACAO DE UMA MISTURA DE 2-CETO-GULONATO E 2-CETO-GLUCONATO ESTER ACETAL,E PROCESSOS PARA A PREPARACAO DO DITO ESTER OU DO DITO ACETAL RESPECTIVAMENTE

IndeferidaInvention Patent

Application data

Number

PI7708220

Type

Invention Patent

Filing

10/20/1977

Publication

-

Progress at the INPI

Under appeal
  1. Filing10/20/77
  2. Publication
  3. Examination
  4. Refused11/03/81
  5. Grant
  6. In force

The application was refused by the INPI on 11/03/1981. The invention was never patented.

Talk to a specialist

Latest action published by the INPI: 11/03/1981. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

PFIZER

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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

11/03/1981

RPI 576

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