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:
May. 29, 2001
Filed:
Jan. 11, 2000
Applicant:
Inventors:
John Anthony Marsella, Allentown, PA (US);
Kevin Rodney Lassila, Macungie, PA (US);
Assignee:
Air Products and Chemicals, Inc., Allentown, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03C 5/30 ;
U.S. Cl.
CPC ...
G03C 5/30 ;
Abstract
This invention provides water-based photoresist developer/electronics cleaning compositions manifesting reduced equilibrium and dynamic surface tension by the incorporation as surfactant of an effective amount of certain cyclic urea compounds of the structure