B29K 2071/12

Ppo, i.e. polyphenylene oxide

Official title: {PPO, i.e. polyphenylene oxide; PPE, i.e. polyphenylene ether}

B29K2071/12 (Ppo, i.e. polyphenylene oxide) appears on 71 US grants and 109 published applications in this corpus.

Search patents in B29K
Granted patents
71
Published applications
109
Assignees
80
Inventors
277
Latest grant
28 Jul 2026

Filings by year

B29K 2071/12: granted patents and published applications per publication year
YearGranted patentsPublished applications
198810
198900
199000
199110
199210
199300
199410
199510
199620
199700
199800
199900
200000
200110
200202
200344
200404
200546
200606
200746
200828
200929
201026
201168
201241
201332
201457
201521
201633
201752
201834
201923
202002
202152
202203
202303
202406
202548
202633

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

Recent patents

Most cited

By later US patents