between the wood chips and the digestion chemicals this in turn reduces the costs the amount of additive needed and the amount of reject wood chunks that result from the digestion process application_number US 201313758299 A description the following definitions are provided to determine how terms used in this application and in particular how the claims are to be construed the organization of the definitions is for convenience only and is not intended to limit my of the definitions to any particular category u201c acyl u201d means a substituent having the general formula u2014 c o r wherein r is alkyl alkenyl alkynyl aryl heteroaryl or heterocyclyl any of which may be further substituted u201c alkyl u201d means a linear branched or cyclic saturated hydrocarbon group such as a methyl group ethyl group n propyl group isopropyl group n butyl group isobutyl group tert butyl group n pentyl group isopentyl group n hexyl group isohexyl group cyclopentyl group cyclohexyl group and the like alkyl groups may be optionally substituted u201c alkoxylate group u201d means the single bonded carbon and oxygen bearing group engaged to a glycerol monomer in a glycerol based polyoxyalkylene polymer as described in u s pat no 5 728 265 u201c branched u201d means a polymer having branch points that connect three or more chain segments the degree of branding may be determined by 13 c nmr based on a known literature method described.