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:
Oct. 06, 1992
Filed:
Jun. 07, 1989
Takashi Sugiyama, Hino, JP;
Takashi Kamimura, Hino, JP;
Kenichi Masuda, Hachioji, JP;
Yoji Suzuki, Hino, JP;
Teijin Limited, Osaka, JP;
Abstract
Calcitonin derivatives wherein at least one of the first cysteine residue and the seventh cysteine residue is S-sulfonated; processes for the production of the calcitonin derivatives comprising the steps of reacting a calcitonin with a sulfite anion or both a sulfite anion and an oxidizing agent to form the S-sulfonated derivative, and recovering the sulfonated calcitonin derivative; a pharmaceutical composition comprising the S-sulfonated calcitonin derivative; and a method of treating a patient having a disease wherein a decrease of a serum calcium level is desired, by administering the S-sulfonated calcitonin derivative to the patient.