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Official data from INPI

REMOÇÃO DE SULFETO DE HIDROGÊNIO DE GASES DE HIDROCARBONETOS.

IndeferidaInvention Patent

Application data

Number

PI8009126

Type

Invention Patent

Filing

12/30/1980

Publication

12/14/1982

Progress at the INPI

Under appeal
  1. Filing12/30/80
  2. Publication12/14/82
  3. Examination06/19/84
  4. Refused08/19/86
  5. Grant
  6. In force

The application was refused by the INPI on 08/19/1986. 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

Gas Sweetener, Inc.

Inventors

F. I. (pessoa física)

Technical data

IPC Classification

Priority claims

US

80/01747 · 12/30/1980

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Indeferimento

#9.2

08/19/1986

RPI 826

Conhecimento de parecer técnico

#7.1

04/09/1985

RPI 755

Pedido de certificado de adição de invenção

#5.1

11/20/1984

RPI 735

Solicitação de exame técnico

#4.1

06/19/1984

RPI 713

14.1

11/01/1983

RPI 680

Notificação de entrada na fase nacional - PCT

#1.3

12/14/1982

RPI 634

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