Patent · US Expired

Novel haptenes and antigens

US3975413A · kind A · utility

3Cited by
0References
10Claims
0Family size

Inventors

Key dates

Filing dateJul 2, 1975
Grant dateAug 17, 1976
Priority date
Expiry dateJul 2, 1995

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S436/823
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

Novel haptenes of the formula ##SPC1## Wherein X is ##EQU1## when Y is ##EQU2## in the .alpha.- or .beta.-position and R' is selected from the group of p-phenylene and --(CH.sub.2).sub.a --and a is a whole number from 1 to 18 with the proviso that a is other than 2 when Y is in the .alpha.-position and when Y is hydrogen, X is selected from the group consisting of ##EQU3## and =N--O--(CH.sub.2).sub.c --COOH, b is a whole number from 1 to 18 and c is a whole number from 1 to 12 useful for the preparation of antigens formed therefrom.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.