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:
Aug. 08, 2006
Filed:
May. 04, 2005
Applicant:
John J. Merianos, Middletown, NJ (US);
Inventor:
John J. Merianos, Middletown, NJ (US);
Assignee:
ISP Investments Inc., Wilmington, DE (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D 233/78 (2006.01);
U.S. Cl.
CPC ...
Abstract
This invention relates to a reaction product of allantoin and formaldehyde made in a molar ratio of about 1:2.75–1:3.25, preferably 1:3, respectively, preferably under controlled pH (5.0 to 7.0) and temperature (40° to 85° C., preferably 50–60° C.) conditions, which product contains free formaldehyde (<0.1%), and methylene diol of about 580–1385 ppm, preferably at a pH of 7.2, with advantageous long-lasting, anti-microbial properties, particularly against the organism, and in combination products with parabens and iodopropynyl butyl carbamate (IPBC).