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:
Oct. 12, 1999
Filed:
Apr. 01, 1997
James P Godschalx, Midland, MI (US);
Duane R Romer, Midland, MI (US);
Ying Hung So, Midland, MI (US);
Zenon Lysenko, Midland, MI (US);
Michael E Mills, Midland, MI (US);
Gary R Buske, Midland, MI (US);
Paul H Townsend, III, Midland, MI (US);
Dennis W Smith, Jr, Fresno, TX (US);
Steven J Martin, Midland, MI (US);
Robert A DeVries, Midland, MI (US);
The Dow Chemical Company, Midland, MI (US);
Abstract
An oligomer, uncured polymer or cured polymer comprising the reaction product of one or more polyfunctional compounds containing two or more cyclopentadienone groups and at least one polyfunctional compound containing two or more aromatic acetylene groups wherein at least some of the polyfunctional compounds contain three or more reactive groups. Such oligomers and uncured polymers may be cured to form cured polymers which are useful as dielectrics in the microelectronics industry, especially for dielectrics in integrated circuits.