Official data from INPI

SISTEMA DE OXIDACAO PARCIAL

ConcedidaInvention Patent

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Application data

Number

PI8205841

Type

Invention Patent

Filing

01/27/1981

Publication

01/11/1983

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Progress at the INPI

Filing01/27/81
Publication01/11/83
Examination09/11/84
Allowance07/08/86
Grant02/03/87
Terminated06/26/90

The patent was granted on 02/03/1987 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 02/03/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

SWEENEY MAXWELL P [US]

Inventors

S. [. (pessoa física)

Technical data

IPC Classification

C07C 27/00 C07C 27/14 C07C 29/154 C07C 29/50 C07C 31/00 C07C 31/04 C07C 41/00 C07C 41/06 C07C 43/00 C07C 43/04 C07C 67/00

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

02/03/1987

RPI 850

Notificação para pagamento de retribuição

#13.1

11/04/1986

RPI 837

Deferimento

#9.1

07/08/1986

RPI 820

Exigência - art. 36 da LPI

#6.1

05/28/1985

RPI 762

Solicitação de exame técnico

#4.1

09/11/1984

RPI 725

Notificação de entrada na fase nacional - PCT

#1.3

01/11/1983

RPI 638

Anuidade - prazo legal encerrado

#18.2

06/26/1990

RPI 1024

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SISTEMA DE GAS DE SINTESE

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