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Joining ceramics and attaching fasteners to ceramics by gas phase selective beam deposition
(United States Patent and Trademark Office, 1997-03-18)
A process for joining solid compositions, comprising placing a first solid composition having a first joining zone and a second solid composition having a second joining zone in a chamber; positioning a first gas phase, ...
Multi-mechanistic chemical cleavage using certain metal complexes
(United States Patent and Trademark Office, 1998-08-25)
The invention is directed to a particular class of metal complexes, specifically certain texaphyrin metal complexes, which both hydrolyze and photocleave RNA, and which also both hydrolyze RNA and photocleave DNA. In one ...
High calcium chemically defined culture medium
(United States Patent and Trademark Office, 1992-06-30)
A high calcium chemically defined animal cell culture medium including vitamins A and D and a fatty acid or its ester. The medium is particularly adapted for the primary or secondary culture of epithelial cells. However, ...
Method of producing parts and molds using composite ceramic powders
(United States Patent and Trademark Office, 1992-09-15)
A method and apparatus for selectively sintering a layer of powder to produce a part comprising a plurality of sintered layers. The apparatus includes a computer controlling a laser to direct the laser energy onto the ...
Method and apparatus for real-time weld-quality control and post-process weld-quality verification for homopolar pulsed welding
(United States Patent and Trademark Office, 1998-09-29)
The present invention provides a method and apparatus to control and verify weld-quality in a homopolar pulsed weld by measuring in-process parameters. Methods are disclosed for real-time weld-quality control in a weld-quality ...
Method and apparatus for producing parts by selective sintering
(United States Patent and Trademark Office, 1994-05-31)
A method and apparatus for selectively sintering a layer of powder to produce a part comprising a plurality of sintered layers. The apparatus includes a computer controlling a laser to direct the laser energy onto the ...
Matrix-supported sapphyrins
(United States Patent and Trademark Office, 1998-09-15)
The invention relates to the field of polymer- and other matrix-supported sapphyrins. Disclosed are silica gel, glass, resin and other polymer- and matrix-supported sapphyrins and sapphyrin-containing chromatographic and ...
Fluoresence detection using texaphyrins
(United States Patent and Trademark Office, 1997-05-27)
Texaphyrins are provided for use as radiation sensitizers. Advantageous properties of texaphyrins for use as a radiation sensitizer include: i) a low redox potential which allows radiation-induced hydrated electrons to ...
Diagnosis of dysplasia using laser induced fluorescence
(United States Patent and Trademark Office, 1997-04-29)
Apparatus and in vivo methods to distinguish normal and abnormal cervical tissue and to detect cervical intraepithelial neoplasia (CIN) in a diagnostic cervical tissue sample. Induced fluorescence intensity spectra from ...
Cooled railplug
(United States Patent and Trademark Office, 1996-05-07)
The railplug is a plasma ignitor capable of injecting a high energy plasma jet into a combustion chamber of an internal combustion engine or continuous combustion system. An improved railplug is provided which has dual ...