B29K 2823/12
Pp, i.e. polypropylene
Official title: PP, i.e. polypropylene
B29K2823/12 (Pp, i.e. polypropylene) appears on 31 US grants and 43 published applications in this corpus.
Search patents in B29K- Granted patents
- 31
- Published applications
- 43
- Assignees
- 37
- Inventors
- 110
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 1 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 1 | 6 |
| 2014 | 0 | 0 |
| 2015 | 1 | 2 |
| 2016 | 2 | 2 |
| 2017 | 4 | 4 |
| 2018 | 5 | 4 |
| 2019 | 1 | 8 |
| 2020 | 3 | 1 |
| 2021 | 4 | 2 |
| 2022 | 0 | 2 |
| 2023 | 1 | 0 |
| 2024 | 1 | 9 |
| 2025 | 1 | 1 |
| 2026 | 2 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method for producing wettable silicone hydrogel contact lenses11 Aug 2026US 12,703,161 B2Alcon Inc.
- Method to manufacture a mold for lenses, and corresponding mold28 Jul 2026US 12,691,650 B2Leonardo Vision S.R.L.
- Hot stamping method25 Feb 2025US 12,233,662 B2Illumination Corporation
- Hot stamping apparatus22 Oct 2024US 12,122,182 B2Illumination Corporation
- Hose extrusion mandrel and method for manufacturing a hose24 Oct 2023US 11,794,429 B2Eaton Intelligent Power Limited
- Resin molded member having excellent scratch resistance and durability12 Jun 2025US 2025/0185857 A1Toto Ltd.
- Kits and molds for preparing cured articles12 Dec 2024US 2024/0408798 A1Sanford, L. P.
- Method for making embedded hydrogel contact lenses5 Dec 2024US 2024/0399627 A1Alcon Inc.
- Embedded hydrogel contact lenses5 Dec 2024US 2024/0399684 A1Alcon Inc.
- Method for making embedded silicone hydrogel contact lenses5 Dec 2024US 2024/0399685 A1Alcon Inc.
Most cited
By later US patents
- Molded polymeric object with wettable surface made from latent-hydrophilic monomers71US 5,779,943 AJohnson & Johnson Vision Products, Inc. · 1998
- Method for the preparation of hydrophilic gels by monomer casting43US 4,534,916 ACeskoslovenska · 1985
- Organic polymer lens mold27US 5,254,000 ACorning Incorporated · 1993
- Mould and accessories thereof destined for the forming of an orthopedic modular spacer16US 9,993,340 B2G21 S.R.L. · 2018
- High performance fiber reinforced thermoplastic resin, method and apparatus for making the same12US 7,026,377 B1Mayco Plastics, Inc. · 2006