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Official data from INPI

ANIDRITA CONSTITUIDA POR CASO4 ANIDRO,OBTIDO A PARTIR DO FOSFOGESSO RESIDUAL DA FABRICACAO DE ACIDO FOSFORICO,E SEU PROCESSO DE PREPARACAO

IndeferidaInvention Patent

Application data

Number

PI7700202

Type

Invention Patent

Filing

01/13/1976

Publication

-

Progress at the INPI

Under appeal
  1. Filing01/13/76
  2. Publication
  3. Examination
  4. Refused09/29/87
  5. Grant
  6. In force

The application was refused by the INPI on 09/29/1987. The invention was never patented.

Talk to a specialist

Latest action published by the INPI: 09/29/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

U. K. (pessoa física)

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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

09/29/1987

RPI 884

Conhecimento de parecer técnico

#7.1

02/24/1987

RPI 853

Exigência - art. 36 da LPI

#6.1

10/13/1981

RPI 573

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