B29K 2033/12
Polymers of methacrylic acid esters
Official title: {Polymers of methacrylic acid esters, e.g. PMMA, i.e. polymethylmethacrylate}
B29K2033/12 (Polymers of methacrylic acid esters) appears on 667 US grants and 888 published applications in this corpus.
Search patents in B29K- Granted patents
- 667
- Published applications
- 888
- Assignees
- 538
- Inventors
- 2,228
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 3 | 0 |
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 3 | 0 |
| 1984 | 0 | 0 |
| 1985 | 3 | 0 |
| 1986 | 2 | 0 |
| 1987 | 3 | 0 |
| 1988 | 3 | 0 |
| 1989 | 4 | 0 |
| 1990 | 0 | 0 |
| 1991 | 6 | 0 |
| 1992 | 6 | 0 |
| 1993 | 10 | 0 |
| 1994 | 11 | 0 |
| 1995 | 9 | 0 |
| 1996 | 8 | 0 |
| 1997 | 11 | 0 |
| 1998 | 9 | 0 |
| 1999 | 2 | 0 |
| 2000 | 8 | 0 |
| 2001 | 11 | 3 |
| 2002 | 10 | 8 |
| 2003 | 8 | 18 |
| 2004 | 5 | 18 |
| 2005 | 9 | 18 |
| 2006 | 8 | 20 |
| 2007 | 3 | 16 |
| 2008 | 11 | 22 |
| 2009 | 4 | 29 |
| 2010 | 11 | 46 |
| 2011 | 18 | 25 |
| 2012 | 11 | 22 |
| 2013 | 15 | 21 |
| 2014 | 13 | 31 |
| 2015 | 16 | 51 |
| 2016 | 31 | 49 |
| 2017 | 35 | 52 |
| 2018 | 39 | 53 |
| 2019 | 35 | 54 |
| 2020 | 48 | 62 |
| 2021 | 31 | 55 |
| 2022 | 32 | 54 |
| 2023 | 45 | 56 |
| 2024 | 48 | 42 |
| 2025 | 36 | 32 |
| 2026 | 24 | 31 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Curable composition for stereolithography, evaporative pattern, and method for producing three-dimensional article25 Aug 2026US 12,715,949 B2Mitsui Chemicals, Inc.
- Composition of photopolymerizable resins and method to produce an article using this composition11 Aug 2026US 12,703,141 B2
- Multilayer, coextruded polyolefin film and manufacture thereof on triple bubble lines28 Jul 2026US 12,691,625 B2Cryovac, Inc.
- Liquid thermoplastic resin and pultrusion method21 Jul 2026US 12,686,189 B2
- Porous piezoelectric composites and production thereof14 Jul 2026US 12,679,021 B2National Research Council of Canada
- Method for deforming a hollow body made of thermoplastic plastic and system therefor1 Oct 2026US 2026/0295921 A1BEGA Gantenbrink-Leuchten KG
- Method of manufacturing three-dimensional formed object and system for manufacturing three-dimensional formed object24 Sep 2026US 2026/0284961 A1
- Pultrusion process for manufacturing a fibre reinforced composite article for a wind turbine blade24 Sep 2026US 2026/0284987 A1Lm Wind Power A/S
- Formulations usable in additive manufacturing of 3d objects that feature an elastomeric material17 Sep 2026US 2026/0275149 A1Stratasys, Inc.
- Heat-expandable microspheres and use thereof13 Aug 2026US 2026/0233442 A1Matsumoto Yushi-Seiyaku Co., Ltd.
Most cited
By later US patents
- Method of forming shaped hydrogel articles including contact lenses338US 4,889,664 AVistakon, Inc. · 1989
- Method of forming shaped hydrogel articles including contact lenses291US 5,039,459 AJohnson & Johnson Vision Products, Inc. · 1991
- Automobile shredder residue-synthetic plastic material composite, and method for preparing the same102US 5,503,788 A1996
- Thermoplastic closed loop recycling process99US 5,424,013 A1995
- Shaped article with thermoformed composite sheet91US 5,635,271 AE. I. Du Pont de Nemours and Company · 1997