C01B 25/023
Of red phosphorus
Official title: of red phosphorus
C01B25/023 (Of red phosphorus) appears on 18 US grants and 3 published applications in this corpus.
Search patents in C01B- Granted patents
- 18
- Published applications
- 3
- Assignees
- 11
- Inventors
- 36
- Latest grant
- 28 Apr 2020
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 2 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 1 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 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 | 1 |
| 2019 | 0 | 0 |
| 2020 | 1 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Wafer-scale synthesis of large-area black phosphorus material heterostructures28 Apr 2020US 10,636,654 B2Yale University
- Modified red phosphorus, method of producing the same, decolorized red phosphorus composition and flame-retardant polymer composition16 May 2006US 7,045,561 B2Nippon Chemical Industrial Co., Ltd.
- Preparation of phosphatic feedstock from phosphorus-containing waste18 Apr 2000US 6,051,201 AJames C. Barber and Associates, Inc.
- Process for production of red phosphorous powder8 Mar 1994US 5,292,494 ARinkagaku Kogyo Co., Ltd.
- Production of red phosphorus24 Dec 1991US 5,075,088 AAlbright & Wilson Limited
- Process for producing phosphorus20 Jan 2022US 2022/0017366 A1
- Wafer-scale synthesis of large-area black phosphorus material heterostructures11 Oct 2018US 2018/0294156 A1Yale University
- Modified red phosphorus, method of producing the same, decolorized red phosphorus composition and flame-retardant polymer composition1 Apr 2004US 2004/0063815 A1Nippon Chemical Industrial Co., Ltd.
Most cited
By later US patents
- Red phosphorus flame retardant and nonflammable resinous composition containing the same14US 4,879,067 ARinkagaku Kogyo Co., Ltd. · 1989
- Red phosphorus flame retardant and nonflammable resinous composition containing the same8US 5,026,757 ARinkagaku Kogyo Co., Ltd. · 1991
- Preparation of phosphorous acid7US 4,980,142 ATenneco Canada Inc. · 1990
- Apparatus for preparing red phosphorus6US 4,229,307 AHooker Chemicals & Plastics Corporation · 1980
- Process for making red phosphorus5US 4,273,752 AHoechst Aktiengesellschaft · 1981