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Official data from INPI

PROCESSO PARA PRODUÇÃO DE ÁCIDO NICOTÍNICO EM CRISTAIS DE GRANULAÇÃO GROSSA, COM ALTO TEOR DE PUREZA

Em AnáliseInvention Patent

Application data

Number

PI8701742

Type

Invention Patent

Filing

04/13/1987

Publication

01/12/1988

Progress at the INPI

  1. Filing04/13/87
  2. Publication01/12/88
  3. Examination10/24/89
  4. Refused08/03/93
  5. Grant
  6. In force

The application was refused on 08/03/1993 and the appeal did not change the decision. The invention was never patented and the technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 10/24/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Degussa AG.

DE

See this company's full portfolio

Inventors

D. M. (pessoa física)

DE

H. F. (pessoa física)

DE

Technical data

IPC Classification

Priority claims

DE

P 36 14 019.8 · 04/25/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

10/24/1989

RPI 992

Publicação do pedido de patente

#3.1

01/12/1988

RPI 899

Pedido de patente depositado

#2.1

07/21/1987

RPI 874

111

08/03/1993

RPI 1183

Petição de recurso

#12.2

03/09/1993

RPI 1162

Indeferimento

#9.2

05/12/1992

RPI 1119

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