C04B 2111/80

Optical properties

Official title: Optical properties, e.g. transparency or reflexibility

C04B2111/80 (Optical properties) appears on 427 US grants and 534 published applications in this corpus.

Search patents in C04B
Granted patents
427
Published applications
534
Assignees
318
Inventors
1,225
Latest grant
11 Aug 2026

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C04B 2111/80: granted patents and published applications per publication year
YearGranted patentsPublished applications
197910
198000
198100
198200
198300
198410
198500
198630
198710
198820
198910
199030
199120
199230
199330
199410
199570
1996110
199790
1998150
199970
2000160
200185
2002814
20031016
20041115
2005810
2006814
2007526
2008516
20091028
2010828
20111521
20121015
20131222
20141511
2015921
20161315
20171621
20181231
20192029
20201825
20211629
20222432
20231624
20241827
20253219
20261420

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