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公开(公告)号：US3775447A
公开(公告)日：1973-11-27
申请号：US3775447D
申请日：1972-06-06
Applicant: NAT LEAD CO
Inventor： ANDREWS R , MCDANIELS W
CPC classification number: C23F11/145 , C09K8/32 , Y10S507/922 , Y10S507/926
Abstract: REACTION PRODUCTS OF HUMIC ACID WITH LONG-CHAIN FATTY ACYL PARTIAL AMIDES OF A POLYALKYLENE POLYAMINE, SUCH AS THE REACTION PRODUCT OBTAINED USING TALL OIL FATTY ACIDS AND TETRAETHYLENE PENTAMINE, THE SALT LINKAGE BEING OPTIONALLY, PARTIALLY OR LARGELY CONVERTED TO AMIDE LINKAGE BY HEAT TREATMENT. THE HUMIC ACID OPTIONALLY MAY BE IN PART REACTED WITH A LONG-CHAIN ALKYL AMMONIUM CATION. THE NOVEL PRODUCTS ARE USEFUL IN COMPOUNDING OIL BASE WELL-WORKING FLUIDS; AS CORROSION INHIBITORS; AND FOR OTHER USES.
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2.发明授权
公开(公告)号：US3640801A
公开(公告)日：1972-02-08
申请号：US3640801D
申请日：1969-02-25
Applicant: NAT LEAD CO
Inventor： LOVE FRANK E
CPC classification number: C25B1/00
Abstract: Method and apparatus for continuous electrolytic production of sodium metal from sodium salts including a charging cell having feeder launders extending thence to and from a series of electrolysis cells for circulating a feed of molten sodium and other salts from the charging cell through the electrolysis cells for electrolyzing said salts to produce sodium metal collected as such, the electrolysis cells being provided with overflow means for maintaining a constant level of molten electrolyte in each, the electrolyzed sodium and other salts being replenished in said charging cell, the latter including means for maintaining the salt feed in a molten state.
Abstract translation: 从钠盐连续电解生产钠金属的方法和装置，包括具有供料池的充电池，该充电池从那里延伸到一系列电解槽，用于使来自充电单元的熔融钠和其它盐的进料循环通过用于电解的电解槽 所述盐产生如此收集的钠金属，所述电解槽具有溢流装置，用于在所述充电池中补充电解钠和其它盐中的电解钠和其它盐，所述溢流装置包括用于保持所述盐的装置 进料在熔融状态。
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3.发明授权
公开(公告)号：US3616439A
公开(公告)日：1971-10-26
申请号：US3616439D
申请日：1969-09-12
Applicant: NAT LEAD CO
Inventor： LOVE FRANK E
CPC classification number: C25C3/06
Abstract: Method and apparatus for producing aluminum metal by forming in a charging cell a feed solution of alumina in a molten solvent bath, introducing the feed solution to electrolysis cells and recirculating electrolysed solution from the cells to the charging cell therein to be replenished by and become part of the feed solution.
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公开(公告)号：US3596766A
公开(公告)日：1971-08-03
申请号：US3596766D
申请日：1969-03-28
Applicant: NAT LEAD CO
Inventor： JOHNSTON DONALD P , STONE PAUL J , MAGNON JULES LEE
Abstract: Potato starch, with or without an admixture of cellulose, is carboxymethylated by kneading, as in a dough mixer or extruder. The product is an excellent scale inhibitor for aqueous systems, being superior to other carboxymethylated starches.
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公开(公告)号：US3558333A
公开(公告)日：1971-01-26
申请号：US3558333D
申请日：1968-02-21
Applicant: NAT LEAD CO
Inventor： BEALS MALCOLM D , MERKER LEON
CPC classification number: G03C1/725
Abstract: THIS INVENTION DESCRIBES A NEW AND NOVEL COMPOSITION OF MATTER WHICH EXHIBITS PHOTOCHROMIC PROPERTIES WHEN SAID MATERIAL IS EXPOSED ALTERNATELY TO A BLUE LIGHT AND YELLOW LIGHT. THE COMPOSITION OF MATTER COMPRISES STRONTIUM TITANATE OR CALCIUM TITANATE CONTAINING SMALL QUANTITIES OF EITHER MOO3 OR WO3 PLUS FE2O3, NIO, CO2O3 OR MNO2. THE COMPOSITION MAY BE PREPARED EITHER AS POWDERED OR COMPRESSED MULTICRYSTALLINE MATERIAL OR AS A MASSIVE MONOCRYSTALLINE BODY.
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公开(公告)号：US3557014A
公开(公告)日：1971-01-19
申请号：US3557014D
申请日：1968-03-20
Applicant: NAT LEAD CO
Inventor： BEALS MALCOLM D , MERKER LEON
IPC: C04B35/465 , C09K11/77 , C09K1/60
CPC classification number: C09K11/7703 , C04B35/465
Abstract: THIS INVENTION DESCRIBES A NEW AND NOVEL COMPOSITION OF MATTER WHICH EXHIBITS A RED FLUORESCENCE WHEN SAID MATERIAL IS EXPOSED TO ULTRA-VIOLET LIGHT. THE COMPOSITION OF MATTER COMPRISES STRONTIUM TITANATE AND/OR OR CALCIUM TITANATE AND CONTAINS SMALL QUANTITIES OF PARTICULAR RARE EARTH OXIDES AND PARTICULAR GROUP III METAL OXIDES. THE RARE EARTH OXIDES PRESENT MAY BE PRASEODYMIUM OXIDE, PR2038 AND/OR EUROPIUM OXIDE, EU202. THE GROUP III METAL OXIDE MAY BE ONE OR MORE OF THE FOLLOWING: ALUMINUM OXIDE, A1203, GADOLINIUM OXIDE, GA203, AND SCANDIUM OXIDE, SC2039 THE COMPOSITIION MAY BE PREPARED EITHER AS COMPACTED OR POWDERED MULTICRYSTALLINE MATERIAL OR AS A MASSIVE MONOCRYSTALLINE BODY.
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7.发明授权Polymer additives coated with wax and hydroxyl-containing fatty materials,processes therefor,and polymer compositions containing same 失效包含WAX和含羟基脂肪的材料的聚合物添加剂，其制备方法和含有其的聚合物组合物
公开(公告)号：US3546150A
公开(公告)日：1970-12-08
申请号：US3546150D
申请日：1966-11-04
Applicant: NAT LEAD CO
Inventor： WHITE EDWARD L , PITROT ADRIAN R
CPC classification number: C08K9/10 , C01P2004/88 , C09C1/00 , C09C1/0096 , C09C1/14 , C09C1/3669 , C09C3/08
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公开(公告)号：US3534391A
公开(公告)日：1970-10-13
申请号：US3534391D
申请日：1969-05-29
Applicant: NAT LEAD CO
Inventor： BAUER ALFRED FERDINAND
CPC classification number: A43B7/04
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公开(公告)号：US3533815A
公开(公告)日：1970-10-13
申请号：US3533815D
申请日：1967-05-01
Applicant: NAT LEAD CO
Inventor： BALDWIN WILLIAM J
IPC: C04B35/482 , C04B35/486 , C04B35/48
CPC classification number: C04B35/482 , C04B35/486
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10.发明授权Process of forming a polyethylene coating using a vanadium compound as the catalyst 失效使用钒化合物作为催化剂形成聚乙烯涂料的方法
公开(公告)号：US3503785A
公开(公告)日：1970-03-31
申请号：US3503785D
申请日：1967-11-15
Applicant: NAT LEAD CO
Inventor： KRUSE UNO
IPC: C08F110/02 , B44D1/14 , C03C25/04
CPC classification number: C08F110/02 , C08F4/68
