Celebrity Inventors
Mark Twain (Samuel L. Clemens) received Patent No. 121,992 for "An Improvement in Adjustable and Detachable Straps for Garments." He later received two more patents: one for a self-pasting scrapbook and one for a game to help players remember important historical dates.
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| Number | Title | Issue Date |
| 7166364 | Polyester conversion coated metal or its alloys I provide an aqueous coating composition to provide an outer protective coating for a metal selected from the group consisting of an aluminum, aluminum alloy, iron, iron alloy, zinc, zinc alloy, zinc coated iron, zinc coated iron alloy, and these metals and magnesiu... | 01/23/2007 |
| 6830821 | Passivating of tin, zinc and steel surfaces A method for coating zinc, zinc plated, or steel articles with a hydroxy benzoic acid protective coating by coating a cleaned zinc, zinc plated, or steel with a hydoxy benzoic acid composition having a pH of about 2.0 to 5.0; and coating cleaned tin surfaced article... | 12/14/2004 |
| 6740361 | Passivating of zinc surfaces A method for coating zinc or zinc plated article with a polymerized molybdate protective coating by coating a cleaned zinc or zinc plated article with a chromium-free polymerized molybdate composition having a pH of about 1.0 to 5.0. A passified zinc or zinc plated ... | 05/25/2004 |
| 6099714 | Passification of tin surfaces The present invention provides a method of coating a tin article with a non-hexavelant trivcalent chromium oxide and/or hydoxide in which the tin article is contacted with a trivalent chromium protective coating composition having an acid pH of about 2.0 ... | 08/08/2000 |
| 6087017 | Corrosion resistant coating for aluminum and aluminum alloys I provide an outer anti-corrosion aluminum or aluminum alloy protective coating composition. The composition may be applied directly to the aluminum or aluminum alloy or to an anodized form thereof or to an anodized or non-anodized aluminum or aluminum ar... | 07/11/2000 |
| 5820741 | Passification of zinc surfaces A trivalent chromium protective coating composition for zinc or a zinc plated article having an acid pH of about 3.0 to 4.0 and a process for coating the zinc or zinc plated article in which the article is contacted with the composition and trivalent chro... | 10/13/1998 |
| 5707465 | Low temperature corrosion resistant aluminum and aluminum coating composition A low temperature aluminum alloy or aluminum corrosion resistant coating has, as essential ingredients, water, 0% hexavalent chromium, an alkali metal permanganate providing at least 760 ppm permanganate, alkali metal or aluminum halide providing at least... | 01/13/1998 |
| 5554231 | Corrosion resistant aluminum and aluminum coating A non-chromium aluminum conversion coating composition for coating aluminum or an aluminum alloy which has as the essential ingredients an alkaline metal permanganate and aluminum nitrate and a pH of about 2.5 to about 4.0. The composition is effective in... | 09/10/1996 |
| 5437740 | Corrosion resistant aluminum and aluminum coating A non-chromium aluminum conversion coating composition for coating aluminum or an aluminum alloy which has as the essential ingredients an alkaline metal permanganate and aluminum nitrate and a pH of about 2.5 to about 4.0. The composition is effective in... | 08/01/1995 |
| 5358623 | Corrosion resistant anodized aluminum A method of protecting a non-chromium anodized aluminum or aluminum alloy by rinsing the anodized aluminum or aluminum alloy with warm water to warm the anodized aluminum or aluminum alloy, coating the warm anodized aluminum or aluminum alloy with, a non-... | 10/25/1994 |
| 4988396 | Corrosion resistant aluminum coating composition This invention provides an aluminum alloy conversion coating composition and a process for protecting aluminum alloys, especially the alloys having greater than 1.0% Cu with a conversion coating. The coating is placed on the aluminum alloy in a multi-step... | 01/29/1991 |
| 4895608 | Corrosion resistant aluminum coating composition The invention relates to aluminum conversion coating compositions and the resulting aluminum alloy protected with the conversion coating. The aluminum or aluminum alloy is coated with a composition having as its essential ingredients phosphate ions, alumi... | 01/23/1990 |
| 4878963 | Corrosion resistant aluminum coating composition An aluminum conversion coating composition for aluminum or an aluminum alloy. The composition has as essential ingredients alkali metal permanganate, and alkali metal chloride, a pH of 7 or over, and a phosphorous compound selected from phosphorous acid a... | 11/07/1989 |
| 4755224 | Corrosion resistant aluminum coating composition An aluminum conversion coating composition for aluminum or an aluminum alloy. The composition has as essential ingredients alkali metal permanganate, and alkali metal chloride, and a pH of 7 to less than 12.5. The composition may also contain a buffer, su... | 07/05/1988 |
| 4711667 | Corrosion resistant aluminum coating An aluminum conversion coating by coating composition for coating aluminum or an aluminum alloy. The composition has as an essential ingredient an alkaline metal permanganate and a pH of 7 to less than 12.5. The composition containing a buffer, such as al... | 12/08/1987 |
