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:
Jun. 29, 1993
Filed:
Feb. 03, 1992
Applicant:
Inventors:
Michael Blezard, Whitehaven, GB;
Glyn R Jones, Whitehaven, GB;
Assignee:
Albright & Wilson Limited, West Midlands, GB;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
564-2 ; 544173 ; 544383 ; 546347 ; 5483481 ; 5483491 ; 5483501 ; 5483471 ; 560155 ; 560205 ; 560250 ; 564-4 ; 564-5 ; 564-6 ; 564197 ; 564298 ; 564301 ;
Abstract
Bicarbonates and/or carbonates are used in greater than catalytic amounts to inhibit the formation of nitrosamines during the preparation, storage and/or use of amine oxides.