A41D 31/12

Hygroscopic

Official title: Hygroscopic; Water retaining

A41D31/12 (Hygroscopic) appears on 352 US grants and 638 published applications in this corpus.

Search patents in A41D
Granted patents
352
Published applications
638
Assignees
253
Inventors
1,002
Latest grant
6 Oct 2026

Filings by year

A41D 31/12: granted patents and published applications per publication year
YearGranted patentsPublished applications
197910
198010
198100
198200
198300
198400
198520
198600
198710
198810
198900
199000
199120
199210
199340
199440
199550
199610
199710
199860
199930
200050
200132
200233
200313
200449
2005523
2006210
2007225
2008616
2009610
2010514
201138
2012515
20131424
20141425
2015920
2016932
20171264
20182350
20192440
20201736
20213054
20222746
20232543
20242724
20252021
20261821

By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.

Subgroups

Granted patents