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Official data from INPI

PROCESSO PARA CARBONATAÇÃO A SECO DE UM CARBONATO DE METAL ALCALINO OU DE AMÔNIA E PROCESSO PARA DESSULFURIZAÇÃO DO GÁS DE COMBUSTÃO QUENTE

Em AnáliseInvention PatentPCT · US1986000679

Application data

Number

PI8606542

Type

Invention Patent

Filing

04/01/1986

Publication

08/04/1987

PCT

US1986000679

Progress at the INPI

  1. Filing04/01/86
  2. Publication08/04/87
  3. Examination11/24/87
  4. Allowance07/16/96
  5. Abandoned
  6. In force

The application was allowed on 07/16/1996 but abandoned for failure to pay the grant fee (art. 38 of the Brazilian IP Act). The letters patent were never issued.

Talk to a specialist

Latest action published by the INPI: 11/24/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Church & Dwight Co., Inc.

US

See this company's full portfolio

Inventors

J. S. (pessoa física)

US

R. S. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

719,907 · 04/04/1985

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

11/24/1987

RPI 892

Notificação de entrada na fase nacional - PCT

#1.3

08/04/1987

RPI 876

Arquivamento - Art. 38 §2° da LPI

#11.4

01/27/1998

RPI 1414

Notificação para pagamento de retribuição

#13.1

03/11/1997

RPI 1371

Deferimento

#9.1

07/16/1996

RPI 1337

Exigência - art. 36 da LPI

#6.1

06/20/1995

RPI 1281

Exigência - art. 36 da LPI

#6.1

03/02/1993

RPI 1161

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