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:
Jan. 17, 1995
Filed:
Oct. 05, 1993
Applicant:
Inventors:
Assignee:
Hoechst Aktiengesellschaft, Frankfurt am Main, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02F / ;
U.S. Cl.
CPC ...
359326 ; 252582 ; 252589 ; 385122 ;
Abstract
The compounds 4-chloro-4'-hydroxybenzophenone, methyl 3,4-diaminobenzoate, N-(4-aminobenzenesulfonyl)-acetamide, methyl 4-hydroxy-3,5-dimethoxybenzoate, 2-chloro-4-cyano-6-methylaniline, 4'-hydroxy-2-phenylacetophenone and methyl 3,4-dihydroxybenzoate form high quality crystals with high melting point. They are useful for second order non-linear optical process devices such as wavelength conversion devices.