Preparation of thin, aligned magnetic coatings
Patent 4333961 Issued on June 8, 1982. Estimated Expiration Date: 
April 30, 2001. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
April 30, 2001. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.InventorsApplicationNo. 06/259270 filed on 04/30/1981US Classes:427/474, Solid particles applied427/127, MAGNETIC BASE OR COATING427/130, With post-treatment of coating or coating material427/131, Applying superposed diverse coating or coating a coated base427/299WITH PRETREATMENT OF THE BASEExaminersPrimary: Pianalto, BernardAttorney, Agent or FirmInternational ClassesH01F 41/16 (20060101)H01F 41/14 (20060101) G11B 5/842 (20060101) G11B 5/84 (20060101) AbstractA monolayer magnetic coating is prepared by applying magnetic particles which have an electrostatic charge in an aqueous environment to an active layer on a substrate, the active layer having an electrostatic charge in an aqueous environment opposite to the charge on the magnetic particles so that the particles bond to the active layer. | |
