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Class Information
Number: 423/460
Name: Chemistry of inorganic compounds > Carbon or compound thereof > Elemental carbon > Treating carbon
Description: Processes wherein carbon in the elemental state is treated to change its characteristics.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 4175022 |
Electrolytic cell bottom barrier formed from expanded graphite |
Nov. 20, 1979 |
| 4170456 |
Inhibiting spontaneous combustion of coal char |
Oct. 9, 1979 |
| 4169120 |
Sulfur electrode for sodium-sulfur batteries |
Sep. 25, 1979 |
| 4160813 |
Method for heat treating carbonaceous material in a fluidized bed |
Jul. 10, 1979 |
| 4146576 |
Manufacture of carbon fibres |
Mar. 27, 1979 |
| 4146401 |
Graphite material having compressibility and recovering property and method for manufacturing the same |
Mar. 27, 1979 |
| 4142949 |
Process for producing an electrode for use in the electrolytic generation of hydrogen peroxide |
Mar. 6, 1979 |
| 4139416 |
Carbonaceous material with high characteristics of surface area and activity and process for producing the same |
Feb. 13, 1979 |
| 4132671 |
Process for the preparation of carbon black pellets |
Jan. 2, 1979 |
| 4115528 |
Method for fabricating a carbon electrode substrate |
Sep. 19, 1978 |
| 4100265 |
Process for preparation of high quality coke |
Jul. 11, 1978 |
| 4100314 |
Method for increasing the strength and density of carbonaceous products |
Jul. 11, 1978 |
| 4091083 |
Method for the production of graphite-hydrogensulfate |
May. 23, 1978 |
| 4087514 |
Process for desulfurizing char |
May. 2, 1978 |
| 4083801 |
High purity activated carbon produced by calcining acid leached coal containing residual leaching solution |
Apr. 11, 1978 |
| 4082694 |
Active carbon process and composition |
Apr. 4, 1978 |
| 4081518 |
Gaseous product stream |
Mar. 28, 1978 |
| 4075160 |
Non-carcinogenic carbon black |
Feb. 21, 1978 |
| 4075114 |
Flexible graphite material containing boric acid |
Feb. 21, 1978 |
| 4075156 |
Production of non-carcinogenic large particle carbon black |
Feb. 21, 1978 |
| 4075140 |
Oxidizing carbon black and use of it in elastomers |
Feb. 21, 1978 |
| 4075157 |
Production of non-carcinogenic carbon black |
Feb. 21, 1978 |
| 4073869 |
Internal chemical modification of carbon fibers to yield a product of reduced electrical conductivity |
Feb. 14, 1978 |
| 4061719 |
Process of conductive carbon black for use in depolarization masses in dry batteries |
Dec. 6, 1977 |
| 4055628 |
Method for preparing graphite containing carbon |
Oct. 25, 1977 |
| 4053569 |
Upgrading coal for coking purposes |
Oct. 11, 1977 |
| 4039473 |
Active carbon by potassium ion exchange and leaching of carbonaceous material |
Aug. 2, 1977 |
| 4031189 |
Process for preparing composition containing carbon and low sulfur, nitrogen and ash content |
Jun. 21, 1977 |
| 4029749 |
Process for manufacturing needle coke |
Jun. 14, 1977 |
| 4009305 |
Process for the surface treatment of carbon fibers |
Feb. 22, 1977 |
| RE29101 |
Method for the preparation of carbon moldings and activated carbon moulding therefrom |
Jan. 4, 1977 |
| 3962129 |
Impregnation of coke with an organic compound to produce a molecular sieve |
Jun. 8, 1976 |
| 3957958 |
Carbon purification process |
May. 18, 1976 |
| 3953583 |
Grit removal from carbon black |
Apr. 27, 1976 |
| 3951856 |
Process for making activated carbon from agglomerative coal |
Apr. 20, 1976 |
| 3931392 |
Enhancement of ultimate tensile strength of carbon fibers |
Jan. 6, 1976 |
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