(11) 98705-3426
TrademarkIQ iconTrademarkIQ
Back to search
Official data from INPI

PROCESSO PARA PREPARAR COMPOSIÇÕES DE FOSFATO DICÁLCICO DIHIDRATO, ADEQUADO PARA COMPOSIÇÕES DENTIFRÍCIAS COM FLUORETO

PublicadaInvention Patent

Application data

Number

PI8701591

Type

Invention Patent

Filing

04/06/1987

Publication

01/26/1988

Progress at the INPI

  1. Filing04/06/87
  2. Publication01/26/88
  3. Examination05/22/90
  4. Refused01/16/96
  5. Grant
  6. In force

The application was refused on 01/16/1996 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: 01/26/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Stauffer Chemical Company

US

See this company's full portfolio

Inventors

R. L. (pessoa física)

US

Technical data

Priority claims

US

848,861 · 04/07/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

01/26/1988

RPI 901

Pedido de patente depositado

#2.1

07/14/1987

RPI 873

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. A classificação IPC anterior era A61K 7/18.

03/27/2018

RPI 2464

111

01/16/1996

RPI 1311

Petição de recurso

#12.2

11/21/1995

RPI 1303

Indeferimento

#9.2

08/01/1995

RPI 1287

15.18

11/26/1991

RPI 1095

Retificação

#15.3

09/03/1991

RPI 1083

Solicitação de exame técnico

#4.1

05/22/1990

RPI 1019

Patent monitoring

Track this patent in real time.

Receive alerts on INPI events, decisions, and expiry dates for your portfolio.