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Expired Canadian patentCanada

Dectection of infectious and inflammatory lesions using anti-leukocyte conjugates

CA 1340071 C · Owner: Goldenberg, Milton David · Inventors: Hansen, Hans J.; Goldenberg, Milton David

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Abstract From the Canadian patent

A polyspecific anti-leukocyte antibody conjugate for targeting foci of leukocyte accretion comprises an immunoreactive polyspecific composite of at least two different substantially monospecific antibodies or antibody fragments, conjugated to at least one imaging agent wherein at least, two of said antibodies or antibody fragments specifically bind to different leukocyte cell types. A method for targeting an imaging agent to an inflammatory or infectious lesion comprises injecting a mammal parenterally with an effective amount for targeting of the above anti-leukocyte imaging conjugate. A therapeutic anti-leukocyte conjugate for targeting foci of leukocyte accretion comprises at least one …

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Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.

Why it's free to use

  • Granted October 6, 1998. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 6, 2015.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJuly 27, 1989
GrantedOctober 6, 1998
Term endedOctober 6, 2015
Patent numberCA 1340071 C
Classification (IPC)A61K51/10 +2 more

Timeline

Timeline From CIPO dates

199019931996199920022005200820112014Application filedJuly 27, 1989Patent grantedOct 6, 1998Term endedOct 6, 2015

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Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.