Ethylene polymeric compositions containing substituted ureas

• US 3,211,692 A
• Filed: 01/02/1963
• Issued: 10/12/1965
• Est. Priority Date: 11/06/1961
• Status: Expired due to Term

• Current Assignee: Paul D. Strickler, Thomas R. Hopkins, William C. Francis
• Original Assignee: Paul D. Strickler, Thomas R. Hopkins, William C. Francis
• Inventors: Hopkins, Thomas R., Strickler, Paul D., Francis, William C.
• Application Number:
  US04/248,859
• Time in Patent Office: 1,014 Days
• US Class Current: 524/216
• CPC Class Codes: C07C 273/1827 X being H
• CPC Class Codes: C07C 275/06 of an acyclic and saturated carbon skeleton
• CPC Class Codes: C07C 275/10 being further substituted by singly-bound oxygen atoms
• CPC Class Codes: C07C 275/30 being further substituted by halogen atoms, or by nitro or nitroso groups
• CPC Class Codes: C07C 275/40 being further substituted by nitrogen atoms not being part of nitro or nitroso groups
• CPC Class Codes: C07C 275/64 having nitrogen atoms of urea groups singly-bound to oxygen atoms
• CPC Class Codes: C08K 5/21 Urea; Derivatives thereof, e.g. biuret
• CPC Class Codes: C08L 23/04 Homopolymers or copolymers of ethene

Claims

1. A POLYMERIC COMPOSTION HAVING LOW BLOCKING TENDENCIES COMPRISING IN ADMIXTURE A MAJOR PORTION OF A NORMALLY SOLID ETHYLENE POLYMER AND FROM ABOUT 0.01 PERCENT TO ABOUT 1.0 PERCENT OF A SUBSTITUTED UREA, BASED ON THE WEIGHT OF ETHYLENE POLYMER, SAID ETHYLENE POLYMER BEING SELECTED FROM THE GROUP CONSISTING OF HOMOPOLYMERS OF ETHYLENE AND COPOLYMERS OF ETHYLENE AND UP TO ABOUT 0.5 MOLE OF A VINYL MONOMER COPOLYMERIZABLE THEREWITH, AND SAID SUBSTITUTED UREA HAVING THE FOLLOWING STRUCTURAL FORMULA: