Patent ID: 7943566

Claim:
A single ply dryer sheet comprising: (a) a nonwoven substrate comprising a mixture of wood fiber and polylactide fiber, wherein the mixture comprises about 2 wt. % to about 55 wt. % of the polylactide fiber and about 50 wt. % to about 95 wt. % of the wood fiber, and the nonwoven substrate comprises a creped substrate having an elongation of about 4% to about 30% in the machine direction according to Tappi Test T494, and wherein the nonwoven substrate has a basis weight of about 10 lb/3000 ft 2 to about 30 lb/3000 ft 2 and an air permeability of at least 6 CFM according to Tappi T251 CM-85; and (b) fabric conditioning agent provided on the nonwoven substrate, wherein the single ply dryer sheet comprises about 10 lb/3000 ft 2 to about 30 lb/3000 ft 2 of the fabric conditioning agent on the nonwoven substrate, wherein at least a portion of the fabric conditioning agent transfers from the nonwoven substrate to the laundry once the temperature within the tumble-type dryer is greater than about 120° F.