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. 17, 1998
Filed:
Mar. 29, 1996
Applicant:
Inventors:
Eiichiro Takiyama, Kamakura, JP;
Yoshitaka Hatano, Higashikanbara-gun, JP;
Assignee:
Showa Highpolymer Co., Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
C08G / ; C08L / ; C08L / ;
U.S. Cl.
CPC ...
524 18 ; 524 20 ; 524 22 ; 524 35 ; 524219 ; 528267 ; 528270 ;
Abstract
A urea-resin composition comprising a urea-formaldehyde reaction product, cellulose material, and at least one substance selected from the group cosisting of .alpha.-amino acid, powdered collagen and gelatin. The present invention provides urea-resin compositions which, having a property to harden under heating, are themselves biodegradable and have sufficient physical properties to be applied for practical purposes.