Tech Alerts for July 2018

TECH ALERTS: Year - Month: 2018-07

METHODS FOR PREPARING SQUALENE

M Hora - US Patent App. 15/842,010, 2018

… The composition comprising squalene may be derived from any suitable
source, eg black liquor soap skimmings; tall oil soap; crude tall oil; tall oil
pitch; sugarcane oil; residues from extraction, degumming, and refining of …

Two-Pack Curable Urethane Adhesive Composition

M Abe, Y Matsuki, T Kido - US Patent App. 15/580,664, 2018

… carbons. 3. The two-part curable urethane adhesive composition according to claim
1, wherein a content of the terpene compound is from 1 to 30 mass % relative to the
total mass of the curing agent. 4 … Terpene Compound. The terpene …

[HTML] Froth flotation, a century of innovation. pdf

NA Abdel, WDPFP Center, BJAPTI Apollo…

… In 1923, with a combined gravity and bulk flotation flowsheet using coal tar
and pine oil as reagents, the grade of the concentrate was only 4.4% Cu,
but by 1925 with selective flotation using xanthate, pine oil, and lime under …

Bark Assortments of Scots Pine and Norway Spruce as Industrial Feedstock for Tall Oil Production.

M Arshadi, D Eriksson, P Isacsson, U Bergsten - Forests (19994907), 2018

… oil is a by-product of softwood Kraft pulping (sulphate process), which is
widely used as a raw material for fuels and chemicals [1]. The main
constituents of tall oil are fatty and resin acids (ca 90%), which are sold …

 A novel acid catalyst based on super/subcritical CO2-enriched water for the efficient esterification of rosin

D Zhou, L Wang, X Chen, X Wei, J Liang, D Zhang… - Royal Society Open Science, 2018

Skip to main content …

Copolymer End-Functionalized With Functional Silane, Compositions Thereof And Related Processes

Y Yan - US Patent App. 15/740,052, 2018

… such as oils) at room temperature. Exemplary types of rosin-type resins include,
but are not limited to, gum rosin, wood rosin, tall oil rosin, rosin esters, and
combinations thereof. Exemplary types of hydrocarbon resins include …

SATURATED BRANCHED CHAIN FATTY ACID PRODUCTION METHOD

MI Sarker, HN Lew, RA Moreau - US Patent App. 15/394,015, 2018

… are derived from a variety of renewable sources including any source found
in nature such as plant products (eg, vegetable oils, such as soybean,
sunflower, etc.) and animal products (eg, tallow and as well as various animal …

(Isostearic acid method of production)

Synthesis and Cytotoxic Activity of Amides from Isopimaric Acid

JJ Liu, YJ Lu, ZD Zhao, SC Xu, LW Bi - Chemistry of Natural Compounds, 2018

… IPA also showed distinctive antibacterial [14, 15], anti-inflammatory [16, 17],
antinociceptive [18], and insecticidal activities [19]. Therefore, it is predicted that IPA
may be promising for the partial synthesis of bioactive terpene derivatives …

Isopimaric acid had been proposed by Environment Canada as a surrogate component of pine chemicals to estimate toxicities.

Study of rosin softening point through thermal treatment for a better understanding of maritime pine exudation

T Cabaret, B Boulicaud, E Chatet, B Charrier - European Journal of Wood and Wood …, 2018

… 2009), and its empirical formula is C20H30O2. Di-terpene acids represent 90 wt% of rosin
and the remain- ing 10 wt% are a blend of esters, alcohols, aldehydes and hydrocarbons.
The acidic fraction is mostly composed of three acid groups: abietic, pimaric and labdanic …

This is an interesting paper. The ring and ball SP doesn't match the SP calculated from the DSC profile.

[PDF] Re‐evaluation of glycerol esters of wood rosin (E 445) as a food additive

EFSA Panel on Food Additives and Nutrient Sources … - EFSA Journal, 2018

… refining process. Excluded from the additive's definition are substances derived from
gum rosin, an exudate of living pine trees, and substances derived from tall oil rosin,
a by-product of kraft (paper) pulp processing. The source …

......and my favorite TechAlert this month for all us folks in the sustainable products business is:

Valorization of Cow Urine and Dung: A Model Biorefinery

SA Mandavgane, BD Kulkarni - Waste and Biomass Valorization, 2018

… microorganisms. This has actually increased the problem rather than solving it.
A natural dis- infectant using cow dung mixed with extracts of neem, tulsi, ritha and
pine oil has been formulated and evaluated. Experi- mental …