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:
Feb. 25, 1992
Filed:
Sep. 05, 1989
Christopher R Phillips, Bellingham, WA (US);
Other;
Abstract
Degradable particulate absorbent materials, together with processes for manufacture thereof, wherein the absorbent materials: i) have, in most forms of the inventions, only on the order of 0% to 10%, by weight, of inorganic solids or 'fillers', and in all forms have less than 30% inorganic solids by weight; ii) are not in pellet form; iii) are characterized by an open porous fiber structure having relatively low bulk densities on the order of not more than 13 lbs./ft..sup.3 and preferably only from about 6 to about 10 lbs./ft.sup.3 ; iv) are characterized by high rates of absorption and high absorptive capacities; v) are highly flammable both before and after absorption of liquid materials which are often themselves non-flammable and, therefore, are characterized by high heat values during recycling; vi) produce relatively little ash when incinerated, thus minimizing disposal costs and problems; and vii), readily permit of treatment to render the degradable particulate absorbent materials hydrophobic and/or characterized by their ability to remove, and/or form a barrier for, toxic and/or noxious ordorants.