Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nestle Purina PetCare Co
Original Assignee
Ralston Purina Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ralston Purina CofiledCriticalRalston Purina Co
Priority to ES393669ApriorityCriticalpatent/ES393669A3/es
Publication of ES393669A3publicationCriticalpatent/ES393669A3/es
Improvements in or relating to methods of producing a food preparation consisting of a mixture of one or more food ingredients and a polyene compound, which taken up in chicken food, furthers the colouring of egg yolks of chickens