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:
Jan. 30, 2001
Filed:
Sep. 03, 1999
Applicant:
Inventors:
Qian Tang, Oberwil, CH;
Martin Roth, Hölstein, CH;
Dean Tallak Behm, Muttenz, CH;
Carl Walter Mayer, Riehen, CH;
Klaus Petschel, Grenzach-Wyhlen, DE;
Sameer Hosam Eldin, Courtepin, CH;
Assignee:
Vantico Inc., Brewster, NY (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08F 2/32 ;
U.S. Cl.
CPC ...
C08F 2/32 ;
Abstract
Core/shell particles comprising a core comprising an elastomer having a T,value of <0° C., onto which a shell of a crosslinked copolymer is grafted, where the proportion of the crosslinking component in the copolymer of the shell is from 5 to 90% by weight, based on the total amount of the comonomers of the shell copolymer, are suitable as toughening agents for epoxy resins, with which they have good compatibility.