C11D 1/88
Ampholytes
Official title: Ampholytes; Electroneutral compounds {(C11D1/002, C11D1/004, C11D1/008 take precedence)}
C11D1/88 (Ampholytes) appears on 1,392 US grants and 1,157 published applications in this corpus.
Search patents in C11D- Granted patents
- 1,392
- Published applications
- 1,157
- Assignees
- 418
- Inventors
- 2,876
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 14 | 0 |
| 1977 | 11 | 0 |
| 1978 | 16 | 0 |
| 1979 | 14 | 0 |
| 1980 | 17 | 0 |
| 1981 | 12 | 0 |
| 1982 | 3 | 0 |
| 1983 | 13 | 0 |
| 1984 | 12 | 0 |
| 1985 | 14 | 0 |
| 1986 | 12 | 0 |
| 1987 | 8 | 0 |
| 1988 | 11 | 0 |
| 1989 | 15 | 0 |
| 1990 | 15 | 0 |
| 1991 | 16 | 0 |
| 1992 | 16 | 0 |
| 1993 | 15 | 0 |
| 1994 | 20 | 0 |
| 1995 | 35 | 0 |
| 1996 | 43 | 0 |
| 1997 | 39 | 0 |
| 1998 | 60 | 0 |
| 1999 | 104 | 0 |
| 2000 | 71 | 0 |
| 2001 | 68 | 11 |
| 2002 | 63 | 53 |
| 2003 | 58 | 48 |
| 2004 | 27 | 44 |
| 2005 | 14 | 40 |
| 2006 | 20 | 49 |
| 2007 | 21 | 33 |
| 2008 | 17 | 26 |
| 2009 | 12 | 26 |
| 2010 | 19 | 34 |
| 2011 | 14 | 26 |
| 2012 | 22 | 22 |
| 2013 | 7 | 42 |
| 2014 | 24 | 29 |
| 2015 | 28 | 61 |
| 2016 | 28 | 43 |
| 2017 | 43 | 69 |
| 2018 | 28 | 56 |
| 2019 | 37 | 61 |
| 2020 | 35 | 52 |
| 2021 | 41 | 51 |
| 2022 | 29 | 50 |
| 2023 | 36 | 53 |
| 2024 | 39 | 60 |
| 2025 | 30 | 62 |
| 2026 | 26 | 56 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Cleansing composition6 Oct 2026US 12,753,376 B2Conopco, Inc.
- Method of making detergent granules comprising an alkyl sulfate, amphoteric surfactant, and inorganic salt mixture15 Sep 2026US 12,735,661 B2The Procter & Gamble Company
- Home care compositions8 Sep 2026US 12,729,349 B2Colgate-Palmolive Company
- Cleansing bar and composition thereof8 Sep 2026US 12,729,351 B2Conopco, Inc.
- Two-in-one dishwash detergent28 Jul 2026US 12,692,462 B2Ecolab USA Inc.
- Cleaning product8 Oct 2026US 2026/0308480 A1The Procter & Gamble Company
- Cleaning product8 Oct 2026US 2026/0308481 A1The Procter & Gamble Company
- Self-adhesive sanitary product comprising alkyl polyglycoside8 Oct 2026US 2026/0308489 A1Henkel AG & Co. KGaA
- Cleaning product8 Oct 2026US 2026/0308490 A1The Procter & Gamble Company
- Engine combustion chamber cleaning solution composition and cleaning method using the same1 Oct 2026US 2026/0297461 A1Kd Finechem Co., Ltd.
Most cited
By later US patents
- Viscoelastic surfactant fluids and related methods of use217US 6,258,859 B1Rhodia Inc. · 2001
- Mid-chain branched surfactants193US 6,020,303 AThe Procter & Gamble Company · 2000
- Viscoelastic surfactant fluids and related methods of use173US 6,703,352 B2Schlumberger Technology Corporation · 2004
- Mild thickened shampoo compositions with conditioning properties137US 3,962,418 AThe Procter & Gamble Company · 1976
- High foaming nonionic surfacant based liquid detergent134US 4,595,526 AColgate-Palmolive Company · 1986