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.

Date of Patent:
May. 23, 2006

Filed:

Mar. 12, 2003
Applicants:

Kazuto Ikemoto, Tokyo, JP;

Yoshiaki Yamamoto, Niigata, JP;

Hiroshi Yoshida, Chiba, JP;

Taketo Maruyama, Chiba, JP;

Inventors:

Kazuto Ikemoto, Tokyo, JP;

Yoshiaki Yamamoto, Niigata, JP;

Hiroshi Yoshida, Chiba, JP;

Taketo Maruyama, Chiba, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C11D 7/50 (2006.01);
U.S. Cl.
CPC ...
Abstract

The photoresist stripping composition of the present invention contains at least one oxymethylamine compound represented by the following formula 1: wherein Rto Rare as defined in the specification. Of the oxymethylamine compound of the formula 1, the compound represented by the following formula 7: wherein Rto Rand n are as defined in the specification, is a novel compound.


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Ikemoto, Kazuto. (2006). Photoresist stripping composition and cleaning composition (U.S. Patent No. 7049275). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7049275

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