C08C 1/02
Chemical or physical treatment of rubber latex before or during concentration
C08C1/02 (Chemical or physical treatment of rubber latex before or during concentration) appears on 232 US grants and 218 published applications in this corpus.
Search patents in C08C- Granted patents
- 232
- Published applications
- 218
- Assignees
- 138
- Inventors
- 576
- Latest grant
- 12 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 5 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 2 | 0 |
| 1984 | 3 | 0 |
| 1985 | 4 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 3 | 0 |
| 1992 | 1 | 0 |
| 1993 | 3 | 0 |
| 1994 | 3 | 0 |
| 1995 | 2 | 0 |
| 1996 | 6 | 0 |
| 1997 | 4 | 0 |
| 1998 | 6 | 0 |
| 1999 | 6 | 0 |
| 2000 | 6 | 0 |
| 2001 | 5 | 1 |
| 2002 | 7 | 5 |
| 2003 | 2 | 10 |
| 2004 | 6 | 5 |
| 2005 | 5 | 6 |
| 2006 | 3 | 10 |
| 2007 | 1 | 8 |
| 2008 | 2 | 4 |
| 2009 | 3 | 8 |
| 2010 | 5 | 9 |
| 2011 | 7 | 23 |
| 2012 | 11 | 6 |
| 2013 | 8 | 10 |
| 2014 | 12 | 9 |
| 2015 | 4 | 9 |
| 2016 | 4 | 8 |
| 2017 | 10 | 15 |
| 2018 | 12 | 10 |
| 2019 | 4 | 12 |
| 2020 | 12 | 13 |
| 2021 | 12 | 7 |
| 2022 | 9 | 12 |
| 2023 | 3 | 4 |
| 2024 | 5 | 7 |
| 2025 | 7 | 6 |
| 2026 | 3 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Methods for producing polyisoprene latex dispersions12 May 2026US 12,624,131 B2Bridgestone Corporation
- Method for separating polyisoprene and other apolar valuable substances from vegetable feedstock24 Mar 2026US 12,583,953 B2Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung eingetragener Verein
- Deproteinized natural rubber latex and preparation method3 Mar 2026US 12,565,576 B2Hunan Vontex New Material Technology Co., Ltd
- Method of preparing vinyl cyanide compound-conjugated diene rubber-aromatic vinyl compound graft copolymer, method of preparing thermoplastic resin composition including the same, and thermoplastic resin composition including the same14 Oct 2025US 12,441,826 B2LG Chem.Ltd.
- Acrylic copolymer coagulant and method of preparing graft copolymer using the same16 Sep 2025US 12,415,877 B2LG Chem.Ltd.
- Method of preparing vinyl cyanide compound-conjugated diene rubber-aromatic vinyl compound graft copolymer, method of preparing thermoplastic resin composition including the same, and thermoplastic resin composition including the same15 Jan 2026US 2026/0015449 A1LG Chem.Ltd.
- Method for Preparing a Plurality of Condoms18 Dec 2025US 2025/0381712 A1Reckitt Benckiser Health Limited
- Processes For The Removal Of Rubber From Non-Hevea Plants6 Nov 2025US 2025/0340676 A1Bridgestone Corporation
- Method for recovering platinum group element3 Jul 2025US 2025/0215525 A1Zeon Corporation
- Ammonia-free latex compositions8 May 2025US 2025/0145806 A1AFLATEX Technologies, LDA
Most cited
By later US patents
- Method and apparatus for controlling transmission power in a CDMA cellular mobile telephone system1,012US 5,056,109 AQUALCOMM Incorporated · 1991
- Reduced-lipid natural rubber latex59US 5,998,512 AThe University of Akron · 1999
- Particle agglomeration in rubber latices46US 4,419,496 AThe Dow Chemical Company · 1983
- Hypoallergenic natural rubber products from parthenum argentatum (gray) and other non-hevea brasiliensis species45US 5,580,942 AThe United States of America as represented by the Secretary of Agriculture · 1996
- Cationic structured-particle latexes41US 4,056,501 AThe Dow Chemical Company · 1977