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Official data from INPI

TETRAIDRO-1,3TIAZINO-2,4-DIONAS, SEU EMPREGO, BEM COMO COMPOSIÇÕES DE TRATAMENTO DE PELE CONTENDO ESSES COMPOSTOS.

Em AnáliseInvention Patent

Application data

Number

PI8405349

Type

Invention Patent

Filing

01/19/1984

Publication

02/12/1985

Progress at the INPI

Under appeal
  1. Filing01/19/84
  2. Publication02/12/85
  3. Examination08/19/86
  4. Refused04/10/90
  5. Grant
  6. In force

The application was refused by the INPI on 04/10/1990. The invention was never patented.

Talk to a specialist

Latest action published by the INPI: 08/19/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

W. A. (pessoa física)

DE

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Inventors

F. N. (pessoa física)

R. R. (pessoa física)

W. H. (pessoa física)

Technical data

Priority claims

DE

P 33 04 871.1 · 02/12/1983

DE

PCT/EP84/00015 · 01/19/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

08/19/1986

RPI 826

Notificação de entrada na fase nacional - PCT

#1.3

02/12/1985

RPI 747

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. As classificações IPC anteriores eram: C07D 279/06; A61K 7/40; A61K 7/48; C07D 279/04; C07D 417/04; C07D 279/00; C07D 417/00.

03/27/2018

RPI 2464

Indeferimento

#9.2

04/10/1990

RPI 1013

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