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Official data from INPI

PROCESSO PARA PREPARAR UM PIGMENTO DE PIROBORATO DE CÁLCIO REVESTIDO DE SÍLICA

Arquivada/ExtintaInvention Patent

Application data

Number

PI9006183

Type

Invention Patent

Filing

11/29/1990

Publication

09/24/1991

Progress at the INPI

  1. Filing11/29/90
  2. Publication09/24/91
  3. Examination11/16/93
  4. Allowance03/23/99
  5. Grant09/08/99
  6. Expired05/28/13

The letters patent expired on 05/28/2013: 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: 05/28/2013. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Buckman Laboratories International, Inc

US

See this company's full portfolio

Inventors

J. P. (pessoa física)

US

L. C. (pessoa física)

US

L. H. (pessoa física)

US

Technical data

Priority claims

US

07/451,604 · 12/19/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 29/11/2010

05/28/2013

RPI 2212

Concessão da patente

#16.1

09/08/1999

RPI 1496

Deferimento

#9.1

03/23/1999

RPI 1472

Exigência - art. 36 da LPI

#6.1

10/06/1998

RPI 1450

Conhecimento de parecer técnico

#7.1

05/12/1998

RPI 1429

Solicitação de exame técnico

#4.1

11/16/1993

RPI 1198

Publicação do pedido de patente

#3.1

09/24/1991

RPI 1086

Pedido de patente depositado

#2.1

05/14/1991

RPI 1067

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