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Expired Canadian patentCanada

Senile amyloid precursor protein and an antibody specific for the same

CA 1340802 C · Owner: Takahashi, Yasuyuki · Inventors: Itoh, Hirataka; Kitaguchi, Nobuya; Tokushima, Yasuo

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Abstract From the Canadian patent

A protein comprising a specific amino acid sequence including at least 55 amino acids and having a protease inhibiting activity is disclosed. Further an antibody, specific for the protein, a DNA coding for the protein a, complementary DNA to the DNA and RNA's corresponding to these DNA's, and human chromosomal DNA fragment coding for the protein are also disclosed. The protein antibody, DNA, RNA and human chromosomal DNA fragment of the present invention are useful for diagnosis of dysbolism in the central nervous system, including senile dementia Alzheimer's type.

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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 26, 1999. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 26, 2016.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledAugust 12, 1988
GrantedOctober 26, 1999
Term endedOctober 26, 2016
Patent numberCA 1340802 C
Classification (IPC)C12N15/12 +2 more

Timeline

Timeline From CIPO dates

1989199219951998200120042007201020132016Application filedAug 12, 1988Patent grantedOct 26, 1999Term endedOct 26, 2016

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