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Official data from INPI

COMPOSIÇÕES ELASTOPLÁSTICAS E PROCESSO PARA SUA PREPARAÇÀO

ConcedidaInvention Patent

Application data

Number

PI8005734

Type

Invention Patent

Filing

09/09/1980

Publication

-

Progress at the INPI

  1. Filing09/09/80
  2. Publication
  3. Examination
  4. Allowance01/15/85
  5. Grant07/30/85
  6. Expired11/07/95

The letters patent expired on 11/07/1995: 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: 07/30/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Advanced Elastomer Systems, L.P

US

Monsanto Company

US

See this company's full portfolio

Inventors

A. C. (pessoa física)

US

R. P. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

075.371 · 09/10/1979

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

07/30/1985

RPI 771

Notificação para pagamento de retribuição

#13.1

05/07/1985

RPI 759

Deferimento

#9.1

01/15/1985

RPI 743

Exigência - art. 36 da LPI

#6.1

05/22/1984

RPI 709

Exigência - art. 36 da LPI

#6.1

10/25/1983

RPI 679

6.2

11/30/1982

RPI 632

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. As classificações IPC anteriores eram: C08L 23/12; C08L 700; C08L 9/00; C08J 3/24.

03/27/2018

RPI 2464

Carta-patente expirada

#21.1

11/07/1995

RPI 1301

Pedido de licença compulsória

#20.1

10/15/1991

RPI 1089

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