Resources Contact Us Home
Browse by Category: Main > Chemistry
Class Information
Number: 585/404
Name: Chemistry of hydrocarbon compounds > Aromatic compound synthesis > By ring expansion or contraction
Description: Subject matter wherein a change in ring size and usually also dehydrogenation (removal of hydrogen from the ring) takes place.

Sub-classes under this class:

Class Number Class Name Patents
585/405 Using transition metal-containing catalyst 8

Patents under this class:

Patent Number Title Of Patent Date Issued
5414175 Increased production of alkylnaphthalenes from reforming May. 9, 1995
4198535 Process for producing linear unsaturated dimers of .alpha.-alkyl styrenes Apr. 15, 1980
4152356 Method for the preparation of dibenzocycloheptenes from anthracene derivatives May. 1, 1979
4067919 Selective conversion of cycloparaffins to form para-xylene using an antimony zeolite catalyst Jan. 10, 1978

  Recently Added Patents
Co-map communication operator
Signal generator
Routing of data including multimedia between electronic devices
Oscillation circuit
Flame-retardant polyamide composition
MIM capacitor and associated production method
Method and apparatus for representing sensory effects and computer readable recording medium storing user sensory preference metadata
  Randomly Featured Patents
Reliable field-effect transistor timer circuit
Soybean cultivar S100003
Programmable toy with remote control
Method of metal-plating electrode portions of printed-wiring board
Suction tip for surgical instruments
Display control device with frame rate control
Optical coherence imaging systems having a mechanism for shifting focus and scanning modality and related adapters
Control system for a photocatalytic air purifier
Method of using and apparatus for use with exercise machines to achieve programmable variable resistance