C09K 13/00

Etching, surface-brightening or pickling compositions

Official title: Etching, surface-brightening or pickling compositions (for glass C03C15/00, {C03C25/66; for mortars, concrete, artificial or natural stone or ceramics C04B41/5338}; for metallic material C23F, C23G1/00, C25F1/00; {for semi-conductors H10P52/40})

C09K13/00 (Etching, surface-brightening or pickling compositions) appears on 1,233 US grants and 1,647 published applications in this corpus.

Search patents in C09K
Granted patents
1,233
Published applications
1,647
Assignees
511
Inventors
3,176
Latest grant
6 Oct 2026

Filings by year

C09K 13/00: granted patents and published applications per publication year
YearGranted patentsPublished applications
197630
197780
197840
197910
198020
198120
198220
198350
198440
198550
198650
198740
198890
198980
199050
199140
199200
199340
199470
199520
199640
199730
199880
1999160
2000110
2001198
20021223
20031421
20041534
20051125
20061833
20071631
20081641
20091629
20102136
20112125
20122452
20132976
20144380
201573100
20166771
20176163
20185562
20197189
202068122
202186101
202279121
202362106
202476117
202570102
20266479

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

Subgroups

Granted patents

Recent patents

Most cited

By later US patents