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- Nachgewiesen in: USPTO Patent Grants
- Sprachen: English
- Patent Number: 11962,008
- Publication Date: April 16, 2024
- Appl. No: 18/061841
- Application Filed: December 05, 2022
- Assignees: RSR TECHNOLOGIES, INC. (Dallas, TX, US)
- Claim: 1. A paste used to produce lead-acid battery electrodes, the paste comprising: aqueous sulfuric acid; a doped leady oxide powder comprising an oxidation product of a lead-based alloy wherein the lead-based alloy comprises, in percent by total alloy weight: 0.0090% to 0.0150% antimony; 0.0010% to 0.0300% arsenic; 0.0010% to 0.0090% tin; and balance lead and incidental impurities; polyester fibers; red lead; tetrabasic lead sulfate or tribasic lead sulfate; carbon, barium sulfate, or lignosulfonate; and ammonium sulfate or magnesium sulfate.
- Claim: 2. A paste used to produce lead-acid battery electrodes, the paste comprising: aqueous sulfuric acid; a doped leady oxide powder comprising an oxidation product of a lead-based alloy wherein the lead-based alloy comprises, in percent by total alloy weight: 0.0010% to 0.0300% antimony; 0.0010% to 0.0300% arsenic; 0.0010% to 0.0100% tin; and balance lead and incidental impurities; and at least one of a plurality of additives.
- Claim: 3. The paste of claim 2 , wherein at least one of the additives is polyester fiber.
- Claim: 4. The paste of claim 2 , wherein at least one of the additives is red lead.
- Claim: 5. The paste of claim 2 , wherein at least one of the additives is a seeding material.
- Claim: 6. The paste of claim 2 , wherein at least one of the additives is an expander material.
- Claim: 7. The paste of claim 2 , wherein at least one of the additives is a binder material.
- Claim: 8. The paste of claim 2 , wherein the lead-based alloy comprises, in percent by total alloy weight: 0.0090% to 0.0150% antimony; 0.0010% to 0.0300% arsenic; 0.0010% to 0.0100% tin; and balance lead and incidental impurities.
- Claim: 9. The paste of claim 2 , wherein the lead-based alloy comprises, in percent by total alloy weight: 0.0090% to 0.0150% antimony; 0.0010% to 0.0300% arsenic; 0.0010% to 0.0090% tin; and balance lead and incidental impurities.
- Patent References Cited: 4594301 June 1986 Miyazaki ; 5352549 October 1994 Rao ; 6284411 September 2001 Shiomi ; 7597998 October 2009 Sugie ; 8771871 July 2014 Furukawa ; 20040091777 May 2004 Lam ; 20060039852 February 2006 Trischan ; 20070141465 June 2007 Honbo ; 20100075231 March 2010 Armstrong ; 20170317351 November 2017 Prengaman ; 102938465 February 2013 ; 204696192 October 2015 ; 60000060 January 1985 ; 04505827 May 1990 ; H09283137 October 1997 ; 3-876931 February 2007 ; 2007-172999 July 2007 ; 2008-210685 September 2008 ; 2010-520607 June 2010 ; 2233510 July 2004 ; 2342744 December 2008 ; 90/14693 November 1990 ; 2005/094501 February 2005 ; 2008/109429 September 2008
- Other References: English translation of CN Publication 204696192, Oct. 2015. cited by examiner ; Notice of Allowance; JP Patent AppIn No. 2018-556502. cited by applicant ; Chen et al., “Tt;e effect and mectianism of bismuth doped lead oxide on tt;e peiforrnance of lead-acid batteries”, Journal of Power Sources, 95, 2001, pp. 1 os-1.18. cited by applicant ; Dix. J.E., “A Comparison of Barton-Pot and Ball—Mill Processes for Makin[I Leady Oxide”, Journal of Power Sources, 19, 1987, P-!c !_fles 157-161. cited by applicant ; Giess, H.K., “Effect of Antimony on the Morphology of Lead Oxide”, Abstract No. 54, The Electrochemical Society, Inc., Los Angeles, California, Oct. 14, 1979, 2 pages. cited by applicant ; Hofmann, W., “Lead and Lead Alloys, Properties and Technology”, Springer-Verlag, New York, 1970, p. 331. cited by applicant ; Hullmeine et al., “Effect of Previous Charge/Discharge History on the Capacity of tt;e Pb02/PbSO. Electrode: The Hysteresis or Memory Effect”, Journal of Power Sources, 25, 1989, pp. 27-47. cited by applicant ; Lam et al., “Capacity and cycle-life of batteries using bismuth-hearing oxide”, Journal of Power Sources, 78, 1999, pp. 139-146. cited by applicant ; Pavlov, D., “Effect of dopants (Group Va) on the performance of the positive leadiacid battery plate”, Journal of Power Sources, 33, 1991. pp. 221-229. cited by applicant ; Stevenson et al., “VRLA Refined TM lead—A must for VRLA batteries Specification and Performance”, ,Journal of Power Sources, 95, 2001, pp. 264-270. cited by applicant ; Winsel et al , “The Aggregate-of-Spheres (‘Kugelhaufen”) Model of the Pb02/PbS04 Electrode’-, Journal of Power Sources, 30, 1990, pp. 209-226. cited by applicant ; International Search Report and Writlen Opinion for International Application No. PCT/US2017/029559 dated Jun. 23, 2017. cited by applicant ; International Preliminary Report on Patentatiility for International J-\pplicalion No. PCT/US2017 i029559 dated Oct. 30, 2018. cited by applicant ; Intellectual Property India, Indian Office Action, Application No. 201827044461; dated Oct. 19, 2020. cited by applicant ; Office Action; EP Patent Application No. 17721945.8; dated May 4, 2022. cited by applicant ; Mexican Office Action dated Jun. 26, 2023; Patent Application No. MX/a/2018/013155. cited by applicant
- Primary Examiner: Raymond, Brittany L
- Attorney, Agent or Firm: Baker Botts L.L.P.
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