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(12) Patent: | (11) CA 1096135 |
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(21) Application Number: | 1096135 |
(54) English Title: | PROCESS FOR LOWERING THE SULFUR CONTENT OF VANADIUM- CARBON MATERIALS USED AS ADDITIONS TO STEEL |
(54) French Title: | PROCEDE POUR DIMINUER LA TENEUR EN SOUFRE DE PRODUITS AU VANADIUM-CARBONE AJOUTES AUX ACIERS |
Status: | Term Expired - Post Grant |
(51) International Patent Classification (IPC): |
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(72) Inventors : |
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(73) Owners : |
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(71) Applicants : |
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(74) Agent: | WILLIAM G. HOPLEYHOPLEY, WILLIAM G. |
(74) Associate agent: | |
(45) Issued: | 1981-02-24 |
(22) Filed Date: | 1977-06-17 |
Availability of licence: | N/A |
Dedicated to the Public: | N/A |
(25) Language of filing: | English |
Patent Cooperation Treaty (PCT): | No |
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(30) Application Priority Data: | ||||||
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9509
PROCESS FOR LOWERING THE SULFUR
CONTENT OF VANADIUM-CARBON
MATERIALS USED AS ADDITIONS TO STEEL
Abstract of the Disclosure
Vanadium-carbon materials for use as additions
to steel have been produced by the vacuum furnacing of a
mixture of vanadium oxide and carbon. To lower the
sulfur content of such material, which derives essentially
from the sulfur content of the carbon in the mixture, a
relatively small quantity of silicon, silica or tin is
included in the mixture prior to vacuum furnacing.
S P E C I F I C A T I O N
1.
Note: Claims are shown in the official language in which they were submitted.
Note: Descriptions are shown in the official language in which they were submitted.
Sorry, the representative drawing for patent document number 1096135 was not found.
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Description | Date |
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Inactive: IPC expired | 2017-01-01 |
Inactive: IPC from MCD | 2006-03-11 |
Inactive: Expired (old Act Patent) latest possible expiry date | 1998-02-24 |
Grant by Issuance | 1981-02-24 |
There is no abandonment history.
Note: Records showing the ownership history in alphabetical order.
Current Owners on Record |
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UNION CARBIDE CORPORATION |
Past Owners on Record |
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JAMES H. DOWNING |
RODNEY F. MERKERT |