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Official data from INPI

PROCESSO PARA GRANULAÇÃO DIRETA DE SAIS OU COMPOSTOS DE SAIS INORGÂNICOS E OR ÂNICOS FORMADOS PELA REAÇÃO QUÍMICA EXOTÉRMICA

Prazo de SigiloInvention Patent

Application data

Number

PI8900071

Type

Invention Patent

Filing

01/09/1989

Publication

08/14/1990

Progress at the INPI

Under appeal
  1. Filing01/09/89
  2. Publication08/14/90
  3. Examination03/03/92
  4. Refused05/12/98
  5. Grant
  6. In force

The application was refused by the INPI on 05/12/1998. The invention was never patented.

Talk to a specialist

Latest action published by the INPI: 02/21/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

S. P. (pessoa física)

RS, BR

Inventors

S. P. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de patente depositado

#2.1

02/21/1989

RPI 957

Indeferimento

#9.2

Com base no art. 8º da LPI.

05/12/1998

RPI 1429

Conhecimento de parecer técnico

#7.1

09/02/1997

RPI 1396

Conhecimento de parecer técnico

#7.1

10/22/1996

RPI 1351

Solicitação de exame técnico

#4.1

03/03/1992

RPI 1109

Publicação do pedido de patente

#3.1

08/14/1990

RPI 1028

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