Carmine Colorants

• US 20140371419A1
• Filed: 06/18/2013
• Published: 12/18/2014
• Est. Priority Date: 06/18/2013
• Status: Active Grant

• Current Assignee: Xerox Corporation (Xerox Holdings Corp.)
• Original Assignee: Xerox Corporation (Xerox Holdings Corp.)
• Inventors: Farrugia, Valerie M., Birau, Maria, Iftime, Gabriel
• Granted Patent: US 10,184,024 B2
• Time in Patent Office: Days
• US Class Current: 528/127
• CPC Class Codes: C08G 63/668 derived from polycarboxylic acids and polyhydroxy compounds
• CPC Class Codes: C08G 63/68 Polyesters containing atoms other than carbon, hydrogen and oxygen C08G63/64 takes precedence

Abstract

The present disclosure provides a modified carmine which can comprise polymers, such as, polyesters, or conjugating molecules, such as, polycarboxylic acids.

Claims

1. A modified carmine.

2. The modified carmine of claim 1 comprising a polymer.

3. The modified carmine of claim 1, wherein said polymer comprises a polyester.

4. The modified carmine of claim 1, wherein said polyester is biodegradable.

5. The modified carmine of claim 1, comprising a conjugating molecule.

6. The modified carmine of claim 5, comprising plural conjugating molecules.

7. The modified carmine of claim 5, wherein said conjugating molecule comprises a polycarboxylic acid.

8. The modified carmine of claim of 7, wherein said polycarboxylic acid comprises succinic acid.

9. The modified carmine of claim 7, wherein said polycarboxylic acid comprises azelaic acid.

10. The modified carmine of claim 5, wherein said conjugating molecule comprises a carboxylic acid.

11. The modified carmine of claim 6, comprising plural molecules of a polycarboxylic acid.

12. The modified carmine of claim 11, wherein said polycarboxylic acid comprises succinic acid.

13. The modified carmine of claim 11, wherein said polycarboxylic acid comprises azelaic acid.

14. The modified carmine of claim 6 comprising plural molecules of a carboxylic acid.

15. The modified carmine of claim 1, wherein said polyester comprises one or more of succinic acid, azelaic acid and isosorbide.

16. A polyester polymer comprising a carmine moiety.

17. The polyester polymer of claim 16, wherein said carmine moiety comprises a pendant group of said polymer.

18. The polyester polymer of claim 16 comprising a succinic acid.

19. The polyester polymer of claim 16 comprising an azelaic acid.

20. The polyester polymer of claim 16 comprising isosorbide.