US PATENT SUBCLASS 556 / 95
.~.~.~.~ The compound consists of the metal, carbon and hydrogen or the metal, carbon, hydrogen and halogen (e.g., tetraalkylleads, etc.)

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


556 /   HD   ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES

*  DD  ORGANIC COMPOUNDS (Class 532, Subclass 1) {3}
1  DF  .~ HEAVY METAL CONTAINING (e.g., Ga, In or T1, etc.) {19}
81  DF  .~.~ Germanium, tin, or lead containing (Ge, Sn, or Pb) {6}
87  DF  .~.~.~ Carbon bonded directly to the metal {2}
95.~.~.~.~ The compound consists of the metal, carbon and hydrogen or the metal, carbon, hydrogen and halogen (e.g., tetraalkylleads, etc.) {6}
96  DF  .~.~.~.~.~> Preparing by utilizing a magnesium containing material (e.g., Grignard reagent, etc.)
97  DF  .~.~.~.~.~> Preparing by interchange of radicals between heavy metal atoms (e.g., redistribution, disproportionation, etc.)
98  DF  .~.~.~.~.~> Preparing by reacting free heavy metal or heavy metal containing alloy with hydrocarbyl halide (e.g., reacting Pb-Na alloy with hydrocarbyl chloride, etc.) {3}
102  DF  .~.~.~.~.~> Preparing by utilizing boron, aluminum, gallium, indium, or thallium
103  DF  .~.~.~.~.~> Purification or recovery
104  DF  .~.~.~.~.~> Halogen bonded directly to the metal

DEFINITION

Classification: 556/95

(under subclass 87) Compounds which consist of the metal, carbon and hydrogen or the metal, carbon, hydrogen and halogen.

(1) Note. Examples of compounds provided for herein are: [figure] [figure] [figure]

SEE OR SEARCH THIS CLASS, SUBCLASS:

82, for hexaorganodistannanes, e.g., hexabutylidtin and hexaorganodiplumbanes, e.g., hexaethyldilead.