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:
May. 25, 1982
Filed:
Feb. 02, 1981
Applicant:
Inventors:
William W Armstrong, Mill Neck, NY (US);
Charles E Moppett, Mystic, CT (US);
Wendell W Windisch, Groton, CT (US);
Assignee:
Pfizer Inc., New York, NY (US);
Primary Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
2602 / ; 424270 ; 424271 ; 2602391 ;
Abstract
The 1:2 N,N'-dibenzylethylenediamine, the N-benzyl-2-phenylethylamine and the dibenzylamine salts of penicillanic acid 1,1-dioxide, a well-known betalactamase inhibitor, are sparingly soluble in water. Accordingly they are valuable as slow release (depot) forms of penicillanic acid 1,1-dioxide, particularly for use in conjunction with slow release (depot) forms of penicillin and cephalosporin antibiotics, in the chemotherapy of bacterial infections in mammals.