B29K 2231/04
Polymers of vinyl acetate
Official title: {Polymers of vinyl acetate, e.g. PVAc, i.e. polyvinyl acetate}
B29K2231/04 (Polymers of vinyl acetate) appears on 4 US grants and 4 published applications in this corpus.
Search patents in B29K- Granted patents
- 4
- Published applications
- 4
- Assignees
- 3
- Inventors
- 3
- Latest grant
- 11 Aug 2020
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2012 | 0 | 1 |
| 2013 | 0 | 1 |
| 2014 | 1 | 1 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 1 | 0 |
| 2018 | 1 | 0 |
| 2019 | 0 | 1 |
| 2020 | 1 | 0 |
By publication year.
Recent patents
- Monofilament-reinforced hollow fiber membrane with scalloped lumen11 Aug 2020US 10,737,223 B2Lotte Chemical Corporation
- Monofilament-reinforced hollow fiber membrane with scalloped lumen14 Aug 2018US 10,046,281 B2Lotte Chemical Corporation
- Monofilament-reinforced hollow fiber membrane7 Feb 2017US 9,561,475 B2Lotte Chemical Corporation
- Monofilament-reinforced hollow fiber membrane9 Sep 2014US 8,827,085 B2Cheil Industries Inc.
- Monofilament-reinforced hollow fiber membrane with scalloped lumen24 Jan 2019US 2019/0022598 A1Lotte Chemical Corporation
- Monofilament-reinforced hollow fiber membrane20 Nov 2014US 2014/0339153 A1Samsung SDI.Co., Ltd.
- Monofilament-Reinforced Hollow Fiber Membrane with Scalloped Lumen9 May 2013US 2013/0112614 A1Cheil Industries Inc.
- Monofilament-reinforced hollow fiber membrane1 Nov 2012US 2012/0273409 A1Cheil Industries Inc.
Most cited
By later US patents