C07C 39/16
Bis- alkanes
Official title: Bis-(hydroxyphenyl) alkanes; Tris-(hydroxyphenyl)alkanes
C07C39/16 (Bis- alkanes) appears on 125 US grants and 133 published applications in this corpus.
Search patents in C07C- Granted patents
- 125
- Published applications
- 133
- Assignees
- 92
- Inventors
- 368
- Latest grant
- 28 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 3 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 7 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 4 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 6 |
| 2004 | 6 | 3 |
| 2005 | 0 | 3 |
| 2006 | 2 | 3 |
| 2007 | 0 | 8 |
| 2008 | 1 | 3 |
| 2009 | 2 | 5 |
| 2010 | 4 | 4 |
| 2011 | 5 | 5 |
| 2012 | 3 | 6 |
| 2013 | 5 | 2 |
| 2014 | 2 | 3 |
| 2015 | 5 | 7 |
| 2016 | 3 | 2 |
| 2017 | 1 | 11 |
| 2018 | 7 | 10 |
| 2019 | 9 | 10 |
| 2020 | 7 | 10 |
| 2021 | 4 | 5 |
| 2022 | 7 | 7 |
| 2023 | 2 | 9 |
| 2024 | 2 | 3 |
| 2025 | 5 | 5 |
| 2026 | 6 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Monomer composition for synthesizing recycled plastic, preparation method thereof, recycled plastic, and molded product using the same28 Jul 2026US 12,692,358 B2LG Chem.Ltd.
- Monomer composition for synthesizing recycled plastic, preparation method thereof, recycled plastic, and molded product using the same16 Jun 2026US 12,655,266 B2LG Chem.Ltd.
- Monomer composition for synthesizing recycled plastic, preparation method thereof, recycled plastic, and molded product using the same16 Jun 2026US 12,655,267 B2LG Chem.Ltd.
- Phenol compound, conductive paste composition, method for producing conductive paste composition, conductive wire, and method for producing conductive wire31 Mar 2026US 12,590,219 B2Shin-Etsu Chemical Co., Ltd.
- Method for preparing a solid form of bisphenol F13 Jan 2026US 12,522,550 B2Aditya Birla Chemicals (Thailand) Ltd. (Advanced Materials)
- Monomer composition for synthesising recycled plastic, preparation method thereof, recycled plastic, and molded product using the same10 Sep 2026US 2026/0265483 A1LG Chem.Ltd.
- Crystal of trisphenol compound and method for producing the same3 Sep 2026US 2026/0257979 A1Honshu Chemical Industry Co., Ltd.
- Alkyl bisphenol composition and method for preparing the same2 Jul 2026US 2026/0184658 A1Industrial Technology Research Institute
- Method for degrading polycarbonate20 Nov 2025US 2025/0353989 A1Nan Ya Plastics Corporation
- Cardanol-based bisphenol, preparation method therefor and application thereof25 Sep 2025US 2025/0296905 A1Nasurfar Biomaterial Technology (Changshu) Co., Ltd.
Most cited
By later US patents
- Phenolic dimers, the process of preparing same and the use thereof46US 7,732,390 B2Afton Chemical Corporation · 2010
- Hydrochalcone derivatives, cosmetic compositions containing said derivatives and methods of producing the same39US 5,880,314 AMitsui Chemicals, Inc. · 1999
- Meta, para-substituted isopropylidene bisphenols and methods for making19US 4,239,918 AGeneral Electric Company · 1980
- Decoloration of bisphenol-A recycle stream with cation exchange resin17US 4,107,218 AUnion Carbide Corporation · 1978
- Positive type photoresist composition comprising polyaromatic hydroxy quinone diazide esters as the photosensitive ingredient17US 5,290,658 AFuji Photo Film Co., Ltd. · 1994