The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 25, 2003
Filed:
Oct. 18, 2001
Applicant:
Inventors:
Baoyu Wang, Waukesha, WI (US);
Chongyao Zhang, Shorewood, WI (US);
Assignee:
Bostik Findley, Inc., Wauwatosa, WI (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08K 3/26 ;
U.S. Cl.
CPC ...
C08K 3/26 ;
Abstract
A hot melt adhesive composition based on a polymer blend of syndiotactic polypropylene (SPP) and atactic poly-&agr;-olefin (APAO). The composition contains about 15%-80% by weight of the SPP/APAO blend, about 15%-65% by weight of a compatible tackifier, about 0%-35% by weight of a plasticizer, about 0%-3% by weight of a stabilizer, and optionally, about 0%-30% by weight of a wax. The adhesive composition may be used in a number of applications such as, for example, in disposable nonwoven hygienic articles, paper converting, flexible packaging, wood working, carton and case sealing, labeling and other assembly applications.