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Official data from INPI

COMPOSIÇÃO LIQUIDA CONTENDO ÉSTERES CARBOXÍLICOS

Arquivada/ExtintaInvention PatentPCT · US1989005475

Application data

Number

PI8907246

Type

Invention Patent

Filing

12/04/1989

Publication

03/12/1991

PCT

US1989005475

Progress at the INPI

  1. Filing12/04/89
  2. Publication03/12/91
  3. Examination10/06/92
  4. Allowance08/18/98
  5. Grant12/29/98
  6. Expired01/02/13

The letters patent expired on 01/02/2013: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

Talk to a specialist

Latest action published by the INPI: 01/02/2013. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

T. C. (pessoa física)

US

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Inventors

A. G. (pessoa física)

US

S. J. (pessoa física)

US

Technical data

Priority claims

US

284.315 · 12/14/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 04/12/2009

01/02/2013

RPI 2191

Concessão da patente

#16.1

12/29/1998

RPI 1460

Deferimento

#9.1

08/18/1998

RPI 1443

Exigência - art. 36 da LPI

#6.1

09/16/1997

RPI 1398

Exigência - art. 36 da LPI

#6.1

08/06/1996

RPI 1340

Solicitação de exame técnico

#4.1

10/06/1992

RPI 1140

Notificação de entrada na fase nacional - PCT

#1.3

03/12/1991

RPI 1058

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