Latex sensitized with steroid-serum albumin conjugate
CA 1107196 A · Owner: Morinaga Milk Industry Co. Ltd. · Inventors: Kuboyama, Morio; Ogasa, Katsuhiro; Kudo, Tsutomu
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Latex reagents for making quantitative assay of a variety of steroid hormones or metabolites thereof which are contained in body fluid or excreted fluid of human beings and a method for preparation of such reagents are disclosed. Each of the reagents comprises latex particles which are immunologically sensitized with a conjugate selected from a variety of steroid-serum albumin conjugate in which steroid to be detected is bonded with serum albumin in a very small ratio ranging from 0.5 to 7 moleoules per 1 molecule of the serum albumin used. Sensitization of latex particles with such conjugate is performed with a limited amount which is determined depending on the bonding ratio of steroid …
Read the whole patent
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 August 18, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 18, 1998.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.