The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 10, 1984
Filed:
Nov. 27, 1981
Robin G Simmonds, Wokingham, GB;
Lilly Industries Limited, London, GB;
Abstract
Compounds of formula (I) ##STR1## in which n is 1 or 2, R.sup.1 is C.sub.1-4 alkyl, C.sub.1-4 alkoxy, nitro, amino, halo or hydroxy, m is 0, 1 or 2, R.sup.2 is an immunogenic determinant and x is 1 or 2, provided that when n is 1, x is 1 or 2 and there is one diazo moiety at the 3-position or two diazo moieties at the 3- and 5-positions, with respect to the isothiocyanate group, and the hydroxy group is at the 4-position; and provided that when n is 2, x is 1 and the diazo moiety is at the 4-position and the hydroxy groups are at the 3- and 5-positions, are described. The compounds are useful in the preparation of immunoglobulin conjugates for employment in diagnostic techniques.