|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||524/801 ; 156/181 ; 156/332 ; 528/361|
|발명자 / 주소|
|출원인 / 주소|
|대리인 / 주소||
|인용정보||피인용 횟수 : 33 인용 특허 : 7|
This invention relates to a nonwoven material comprising an adhesive comprising polyhydroxyalkanoate (PHA). This invention also relates to an absorbent article comprising such nonwoven material. This invention also relates to a composition comprising PHA and a surfactant. This invention relates to a method for preparing the nonwoven material.
[ What is claimed is:] [1.] An adhesive dispersion comprising a biodegradable copolymer wherein the biodegradable copolymer comprises at least two randomly repeating monomer units wherein each randomly repeating monomer unit has the structure: [ STR 19 ] wherein R.sup.4 is H, or C.sub.1 to C.sub.19 alkyl or C.sub.1 to C.sub.19 alkenyl, and n is 1 to 4.