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Official data from INPI

PROCESSO PARA PREPARAÇÃO DE SOLUÇÕES AQUOSAS CONCENTRADAS DE CORANTES 2-FENILBENZOTIAZOLAZÓICOS

Arquivada/ExtintaInvention Patent

Application data

Number

PI9104086

Type

Invention Patent

Filing

09/24/1991

Publication

06/02/1992

Progress at the INPI

  1. Filing09/24/91
  2. Publication06/02/92
  3. Examination04/19/94
  4. Allowance03/16/99
  5. Grant08/10/99
  6. Expired06/11/13

The letters patent expired on 06/11/2013: 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: 06/11/2013. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

B. A. (pessoa física)

DE

R. B. (pessoa física)

DE

See this company's full portfolio

Inventors

R. B. (pessoa física)

DE

Technical data

IPC Classification

Priority claims

DE

P 40 30 915.0 · 09/29/1990

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 24/09/2011

06/11/2013

RPI 2214

Concessão da patente

#16.1

08/10/1999

RPI 1492

Deferimento

#9.1

03/16/1999

RPI 1471

Transferência deferida

#25.1

Transferido de: Basf Aktiengesellschaft

12/29/1998

RPI 1460

Conhecimento de parecer técnico

#7.1

07/07/1998

RPI 1437

Solicitação de exame técnico

#4.1

04/19/1994

RPI 1220

Publicação do pedido de patente

#3.1

06/02/1992

RPI 1122

Pedido de patente depositado

#2.1

10/29/1991

RPI 1091

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