Sorption of water from a sample using a polymeric drying agent
US-2016377516-A1 · Dec 29, 2016 · US
by a bond to sulfur
by a bond to sulfur · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C08F228/02 |
| Official title | by a bond to sulfur |
| Display label | by a bond to sulfur |
| Total patents | 316 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 27 |
| 2016 | 36 |
| 2017 | 43 |
| 2018 | 37 |
| 2019 | 33 |
| 2020 | 28 |
| 2021 | 37 |
| 2022 | 22 |
| 2023 | 26 |
| 2024 | 9 |
| 2025 | 17 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Water-absorbing elastomeric material
US-9518139-B2 · Dec 13, 2016 · US
Electrolyte material, liquid composition and membrane/electrode assembly for polymer electrolyte fuel cell
US-9508463-B2 · Nov 29, 2016 · US
Copolymer comprising units of type a deriving from carboxylic acid monomers and units of type b deriving from sulfonic acid monomers
US-2016340617-A1 · Nov 24, 2016 · US
Actinic ray-sensitive or radiation-sensitive composition, resist film using the same, pattern forming method, method for manufacturing electronic device, and electronic device
US-9500951-B2 · Nov 22, 2016 · US
Thiosulfate polymers
US-9499650-B2 · Nov 22, 2016 · US
Low molecular weight multivalent cation-containing acrylate polymers
US-9487610-B2 · Nov 8, 2016 · US
Stable aqueous dispersion of particle polymers containing structural units of 2-(methacryloyloxy)ethyl phosphonic acid and composites thereof
US-9464204-B2 · Oct 11, 2016 · US
Sorption of water from a sample using a polymeric drying agent
US-9459184-B2 · Oct 4, 2016 · US
Polymers containing s-vinylthio alkanols
US-2016272747-A1 · Sep 22, 2016 · US
Fluorine-containing polymer composition
US-9447266-B2 · Sep 20, 2016 · US
Alkoxylates of s-vinylthioalkanols
US-2016264691-A1 · Sep 15, 2016 · US
Polymer, resist composition, and pattern forming process
US-2016229940-A1 · Aug 11, 2016 · US
Acrylic acid ester derivative and method for producing same, intermediate and method for producing same, high-molecular-weight compound, and photoresist composition
US-9395625-B2 · Jul 19, 2016 · US
Latex for dip molding, composition for dip molding, preparation method of dip molded product, and dip molded product prepared thereby
US-9388302-B2 · Jul 12, 2016 · US
Polymer, and electrolyte and lithium secondary battery including the same
US-2016190641-A1 · Jun 30, 2016 · US
Polymer and method for using the same
US-9371408-B2 · Jun 21, 2016 · US
Polyzwitterionic acid antiscalant compound
US-9359458-B2 · Jun 7, 2016 · US
Salt, resin, resist composition and method for producing resist pattern
US-2016145205-A1 · May 26, 2016 · US
Adsorbing vinyl acetate binders
US-9346970-B2 · May 24, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C08F228/02?
- CPC C08F228/02 is the Cooperative Patent Classification code for “by a bond to sulfur.”
- How many patents are filed under CPC C08F228/02 (by a bond to sulfur)?
- Our database includes 316 publications tagged with this CPC code.
- Is patent activity under CPC C08F228/02 growing?
- Publication counts under this code: 9 in 2024 vs 17 in 2025 (latest complete years).