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:
Sep. 20, 1988
Filed:
May. 06, 1987
Paul H Mohr, Chappaqua, NY (US);
Enrico J Pepe, Amawalk, NY (US);
First Brands Corporation, Danbury, CT (US);
Abstract
A silicone/silicate containing antifreeze characterized by dilute aqueous stability includes phosphonate silanes characterized by the following formula: ##STR1## wherein a is 0 or 1, b is 1 or 2, c is 0 or 1, R.sup.1 and R.sup.3 are selected from the group consisting of hydrogen, monovalent hydrocarbon radicals and substituted monovalent hydrocarbon radicals, R.sup.2 is a divalent hydrocarbon radical selected from the group consisting of alkylene, arylene and alicyclic radicals, Z is a hydrolyzable moeity attached to silicon, and X is a member selected from the group consisting of hydrogen, monovalent hydrocarbon radicals, substituted monovalent hydrocarbon radicals, and a monovalent cation, the phosphonate silane having an appropriate hydrophile/hydrophobe balance and being present in an amount sufficient to stabilize the silicate.