美國
US 12,702,635 B2
Cosmetic composition comprising a polyhydroxyalkanoate copolymer bearing a(n) (un)saturated hydrocarbon-based chain and a surfactant
US 12,702,635 B2 是美國專利商標局（USPTO）的核准專利，日期 2026-08-11。申請人：L’OREAL。PDF 可在本頁下載，未登入每天最多 5 篇。
- 申請人
- L’OREAL
- 發明人
- Julien PORTAL; Romain GARCON
- 公開日
- 2026-08-11
- 申請日
- 2022-07-22
- 文件種類
- B2 核准公告
- 也寫作
- US 12,702,635 B2 · US12702635 · 12702635
摘要
The present invention relates to a cosmetic composition comprising a) one or more polyhydroxyalkanoate (PHA) copolymers which contain, and preferably consist of, at least two different repeating polymer units chosen from the units (A) and (B) below, and also the optical or geometrical isomers thereof, the organic or mineral acid or base salts thereof, and the solvates thereof such as hydrates: -[-0-CH(R1)—CH2—C(0)-]- unit (A) -[-0-CH(R2)—CH2—C(0)-]- unit (B) in which polymer units (A) and (B): —R1 represents a hydrocarbon-based chain chosen from i) linear or branched (C5-C28)alkyl, ii) linear …
這裡只列摘要開頭，完整內容在 PDF 裡。
不用登入，每天可下載 5 篇（今天還剩 5 篇）。批次下載與 OA 引證整理需免費註冊。
專利局網站： 美國專利商標局（USPTO）