B41M 7/0063
Preservation or restoration of currency, books or archival material
Official title: {Preservation or restoration of currency, books or archival material, e.g. by deacidifying}
B41M7/0063 (Preservation or restoration of currency, books or archival material) appears on 21 US grants and 6 published applications in this corpus.
Search patents in B41M- Granted patents
- 21
- Published applications
- 6
- Assignees
- 11
- Inventors
- 31
- Latest grant
- 8 Oct 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 3 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 0 |
| 2003 | 1 | 1 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 1 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 1 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 1 | 1 |
| 2023 | 0 | 1 |
| 2024 | 2 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Germ-repellent book and food paper packaging, and method of manufacture8 Oct 2024US 12,110,635 B2Main Choice Paper Products Limited
- Germ-repellent book and food paper packaging, and method of manufacture4 Jun 2024US 12,000,092 B2Main Choice Paper Products Limited
- Method and device for protecting paper sheet31 May 2022US 11,346,055 B2Hangzhou Zhongcai Technology Co., Ltd.
- Method to remove foxing stains from paper & celluloid items9 Dec 2008US 7,462,202 B2
- Active substance and device for the deacidification of printed matter11 Nov 2003US 6,645,298 B1Ruag Munition
- Germ-repellent book and food paper packaging, and method of manufacture26 Jan 2023US 2023/0022618 A1Main Choice Paper Products Limited
- Germ-repellent book and food paper packaging, and method of manufacture3 Mar 2022US 2022/0064861 A1Main Choice Paper Products Limited
- Method and device for protecting paper sheet26 Dec 2019US 2019/0390410 A1Hangzhou Zhongcai Technology Co., Ltd.
- Method to remove foxing stains from paper & celluloid items1 Feb 2007US 2007/0022542 A1
- Active substance and device for the deacidification of printed matter25 Mar 2004US 2004/0056235 A1Ruag Munition
Most cited
By later US patents
- Method of retarding paper degradation with time by treatment with melamine, and method of producing ageing-resistant paper coated with melamine33US 4,619,735 AMelamine Chemicals, Inc. · 1986
- Deacidification of library materials18US 4,522,843 A1985
- Treatment of cellulosic materials13US 4,318,963 A1982
- Process and device for nonpolluting mass deacidification of books and other paper products13US 5,120,500 ABattelle-Institue e.V. · 1992
- Process for the preservation of printed cellulosic materials10US 4,863,566 A1989