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公开(公告)号：US3842017A
公开(公告)日：1974-10-15
申请号：US31470472
申请日：1972-12-13
Applicant: CORNING GLASS WORKS
Inventor： ARMISTEAD W , ELMER T , LICHTENSTEIN I
CPC classification number: B01J35/04 , B01J23/38 , B01J23/54 , B01J37/0203 , B01J37/0207 , B01J37/16 , Y10S502/509
Abstract: 1. IN A PROCESS FOR DEPOSITING A NOBLE METAL CATALYST ON A REFRACTORY METAL OXIDE CARRIER WHICH COMPRISES THE STEP OF CONTACTING THE REFRACTORY METAL OXIDE CARRIER WITH A SOLUTION CONTAINING A FORMIC ACID REDUCTANT AND NOBLE METAL IONS SELECTED FROM THE GROUP CONSISTING OF PALTINUM, PALLADIUM, RHODIUM, GOLD, SILVER AND MIXTURES THEREOF, THE IMPROVEMENT WHICH COMPRISES THE ADDITION OF UREA TO THE SOLUTION IN AN AMOUNT RANGING ABOUT 1-110% BY WEIGHT THEREOF.
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公开(公告)号：DK129572B
公开(公告)日：1974-10-28
申请号：DK525361
申请日：1961-12-30
Applicant: CORNING GLASS WORKS
Inventor： ARMISTEAD W , STOOKEY S
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公开(公告)号：FI41327B
公开(公告)日：1969-06-30
申请号：FI90963
申请日：1963-05-03
Applicant: CORNING GLASS WORKS
Inventor： ARMISTEAD W , STOOKEY S
Abstract: Improvements in the object of the main Patent No. 273,281 issued 7 September 1962, for "Improvements in or relating to a phototropic article" which article comprises a provided at least in a portion thereof vitreous silicate of crystals of a silver halide at least selected from the group consisting of bromide and silver iodide, characterized in that said portion contains, based on the chemical analysis of the same, at least one halogen in the minimum effective proportion indicated in weight, of 0.1% bromine and 0.08% iodine, and silver in the indicated weight ratio of 0.05 to 0.20%, in a glass in which the effective halogen is bromine, and 0.03 to 0.20% in a glass in which the effective halogen is iodine. (Machine-translation by Google Translate, not legally binding)
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公开(公告)号：FI40837B
公开(公告)日：1969-02-28
申请号：FI230561
申请日：1961-12-29
Applicant: CORNING GLASS WORKS
Inventor： ARMISTEAD W , STOOKEY S
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