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:
Apr. 11, 1978

Filed:

Jan. 03, 1977
Applicant:
Inventors:

Masumi Itoh, Osaka, JA;

Takashi Kamiya, Suita, JA;

Daijiro Hagiwara, Ikeda, JA;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
2602391 ; 2603264 ; 2604 / ; 2604654 ; 560 13 ; 560 21 ; 560 24 ; 560 30 ; 560 29 ; 560 32 ; 560154 ; 560155 ; 560156 ; 560157 ; 560159 ; 560160 ; 560161 ; 560163 ;
Abstract

Novel carbonic acid esters are disclosed which are useful in a process for introducing esterified carboxy-type protective groups on amino and/or imino groups in amino and/or imino group - containing compounds for the temporary protection of said amino and/or imino groups. Additionally, processes for preparing said esters are also disclosed.


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