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:
Feb. 10, 1998
Filed:
Dec. 07, 1994
Applicant:
Inventor:
Antonio Crispoldi, Terni, IT;
Assignee:
Nuova Terni Industrie Chimiche S.p.A., Milan, IT;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C01B / ;
U.S. Cl.
CPC ...
423397 ; 504158 ; 504163 ; 504327 ; 564 32 ; 564 63 ;
Abstract
Calcium nitrate-urea adduct, a product having the formula �Ca(NO.sub.3).sub.2.4CO(NH.sub.2).sub.2 !, is obtained by means of a process which basically consists of the following steps: