Official data from INPI

COMPOSICAO DE RESINA DE POLICARBONATO RETARDADORA DE CHAMA

ConcedidaInvention Patent

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Application data

Number

PI8105788

Type

Invention Patent

Filing

09/11/1980

Publication

05/25/1982

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Progress at the INPI

Filing09/11/80
Publication05/25/82
Examination09/21/82
Allowance05/17/88
Grant11/29/88
Terminated02/04/92

The patent was granted on 11/29/1988 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: 11/29/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

IDEMITSU KOSAN CO

Inventors

N. O. (pessoa física)

T. T. (pessoa física)

Technical data

IPC Classification

C08K 5/13 C08K 5/18 C08K 5/36 C08K 5/37 C08L 1/00 C08L 101/00 C08L 21/00 C08L 23/00 C08L 27/00 C08L 69/00 C08L 7/00 C09K 21/00 C09K 21/06 C09K 21/08 C09K 21/10

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

11/29/1988

RPI 945

Notificação para pagamento de retribuição

#13.1

09/06/1988

RPI 933

Deferimento

#9.1

05/17/1988

RPI 917

Exigência - art. 36 da LPI

#6.1

08/04/1987

RPI 876

Solicitação de exame técnico

#4.1

09/21/1982

RPI 622

Publicação do pedido de patente

#3.1

05/25/1982

RPI 605

Pedido de patente depositado

#2.1

10/27/1981

RPI 575

Anuidade - prazo legal encerrado

#18.2

02/04/1992

RPI 1105

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