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:
Jul. 13, 1999
Filed:
Apr. 11, 1997
Applicant:
Inventors:
Sumita B Mitra, West St. Paul, MN (US);
Robert D Kuehn, Eagan, MN (US);
Assignee:
Minnesota Mining and Manufacturing Company, St. Paul, MN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08L / ; A61K / ;
U.S. Cl.
CPC ...
523118 ; 523116 ; 526277 ; 524547 ; 524559 ;
Abstract
A multiple-part dental adhesive primer composition is provided in at least two parts, A and B. Part A comprises an acidic polymerizable compound and a polymerizable diluent. This part is selected such that if water is present the pH of Part A is greater than about 2. Part B comprises an acidic material such that the pH of Part B is below about 2. Methods of bonding substrates are also described.