Food or beverage containers coated with polymers of di(amido(alkyl)phenol) compounds
First Claim
Patent Images
1. An article comprising:
- a. a food or beverage packaging container, or portion thereof, having a food or beverage contact surface comprising a metal substrate; and
b. a coating formed from a coating composition disposed in powdered form on the food or beverage contact surface;
the coating composition comprising a polymer made from an α
, Ω
telechelic di(amido(alkyl)phenol) and a material that reacts with hydroxyl groups on phenol rings, and being substantially free of bisphenol A and bisphenol F, and wherein the polymer is a polyester, polyurethane, polycarbonate or phenolic resin.
9 Assignments
0 Petitions
Accused Products
Abstract
Di(amido(alkyl)phenol) compounds and upgraded molecular weight polymers made from such compounds have particular utility in coating compositions, especially for use on food and beverage contact substrates that are formed into or will be formed into containers or container components.
-
Citations
22 Claims
-
1. An article comprising:
-
a. a food or beverage packaging container, or portion thereof, having a food or beverage contact surface comprising a metal substrate; and b. a coating formed from a coating composition disposed in powdered form on the food or beverage contact surface; the coating composition comprising a polymer made from an α
, Ω
telechelic di(amido(alkyl)phenol) and a material that reacts with hydroxyl groups on phenol rings, and being substantially free of bisphenol A and bisphenol F, and wherein the polymer is a polyester, polyurethane, polycarbonate or phenolic resin. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
-
-
10. An article comprising:
-
a. a food or beverage packaging container, or portion thereof, having a food or beverage contact surface comprising a metal substrate; and b. a coating formed from a coating composition disposed in liquid or powdered form on the food or beverage contact surface; the coating composition comprising a polymer made from a polyphenol and a material that reacts with hydroxyl groups on phenol rings, and wherein the polyphenol has the formula; - View Dependent Claims (11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21)
-
-
22. A method for making a coated food or beverage packaging container, the method comprising:
applying to a food or beverage contact surface of a metal substrate a liquid or powdered coating composition comprising a polymer made from a polyphenol and a material that reacts with hydroxyl groups on phenol rings, wherein the polyphenol has the formula;
Specification