Eco-friendly cleaners for oilfield equipment
US8735336B1 · kind B1 · utility
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9Claims
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Assignee
Inventors
Key dates
| Filing date | Feb 18, 2013 |
| Grant date | May 27, 2014 |
| Priority date | — |
| Expiry date | Feb 18, 2033 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC11D2111/20
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Methods for removing an organic material from a portion of oilfield equipment are described. The methods include forming a composition that includes a hybrid polymer and introducing the composition to the portion of the oilfield equipment from which the organic material is to be removed. The hybrid polymer includes a synthetic component formed from at least one or more olefinically unsaturated carboxylic acid monomers or salts thereof, and a natural component formed from a hydroxyl-containing natural moiety.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.