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:
Dec. 02, 1997
Filed:
Jan. 17, 1995
Applicant:
Inventors:
John Tze-Chiang Cheng, Allentown, PA (US);
Finn Lennart Marten, Emmaus, PA (US);
Joel Erwin Goldstein, Allentown, PA (US);
Chung-Ling Mao, Emmaus, PA (US);
Assignee:
Air Products and Chemicals, Inc., Allentown, PA (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C08L / ; C08L / ;
U.S. Cl.
CPC ...
524556 ; 524558 ; 524560 ;
Abstract
An aqueous polymer composition comprising 10 to 40 wt % of a polymer in water, the polymer consisting essentially of 20-90 wt % .alpha.,.beta.-ethylenically unsaturated carboxylic acid monomer, 10-80 wt % one or more softening monomers, the aqueous composition being adjusted to pH 4-6 with alkali metal hydroxide or alkaline earth metal hydroxide and further containing 0.1 to 3 wt % zirconium crosslinking salt. Such aqueous compositions can be applied to nonwoven and woven substrates to make superabsorbent products.