From stretchmark prevention for expectant mothers to a wipe made from a super absorbent gel material, July’s patents cover childbirth and beyond
1. Cosmetic and/or dermatological use of oligosaccharide compounds for preventing and treating stretch marks
US Patent 9,241,890
Application No 14/131,794
Granted 26 January 2016
Assignee Laboratoires Urgo
The patent describes a topical composition to be used for preventing or treating stretchmarks, including at least one synthetic polysulfated oligosaccharide, its salts or derivatives.
Preferably, the polysulfated oligosaccharide is the potassium salt of sucrose octasulfate and the preferred composition is in the form of an emulsion or a film-forming gel. The patent is illustrated with various formulations that show the potassium sucrose octasulfate present at from 0.1-1% by weight.
In addition, the patent claims that the composition comprises one or more other active substances selected from antimicrobials, anti-inflammatories, active substances promoting healing or restructuring of the skin, UV filters, soothing agents, hydrating agents, depigmenting agents, keratolytic agents, antivirals, analgesics, vitamins and mixtures thereof.
Various compositions described and preferred are either oil-in-water emulsions or a film-forming gel. An example emulsion is given as follows: emulsifier 5.0%, emulsifying wax 2.0%, stearic acid 1.0%, isodecyl isononanoate 6.0%, silicone oil 4.0%, myristyl lactate 5.0%, thickener 0.3%, glycerin 5.0%, propylene glycol 5.0%, potassium sucrose octasulfate 0.5%, preservative 1.5%, NaOH (10%) 0.6%, silicone surfactant 2.0%.
An example film-forming gel is given as demineralised water 93.2%, thickener 0.5%, sorbitol 2.0%, dextran 1.0%, potassium sucrose octasulfate 1.0%, preservatives qs, NaOH (10%) 1.5%, demineralised water to 100% by weight.
2. Low-irritating, clear cleansing compositions with relatively low pH
US Patent 8,343,902
Application No 12/822,329
Granted 1 January 2013
Assignee Johnson & Johnson
The applicant suggests that consumers desire high foaming, clear cleansing products with a low pH. However, high foaming often leads to irritation. Moreover, clarity is dependent on the ingredients present in the composition and polymeric thickeners become less efficient at low pH.
The patent describes clear skin cleansing compositions that are suitable for infants and toddlers having low irritation characteristics that are relatively high foaming and have low pH values.
The preferred surfactant is preferably a combination of anionic sodium coco-sulfate with amphoteric cocamidopropyl betaine at a total surfactant concentration of 2-9% by weight. The preferred polymer is potassium acrylates copolymer and it is claimed that 1.8% of this polymer enables clear, high foaming compositions to be prepared below pH6.2.
Other anionic non-ethoxylated surfactants including sodium alkyl sulfates are also named as suitable.
3. Gel wipe composition comprising a superabsorbent
US Patent 9,826,877
Application No 14/741,851
Granted 28 November 2017
Assignee Johnson & Johnson
The patent describes a cleansing wipe suitable for use on babies and infants that comprises layers of superabsorbent polymer fibres separated from a layer of non-absorbent polymer fibres by a liquid cleansing composition.
Superabsorbent polymers have a high capacity for absorbing and retaining water and aqueous fluids. After absorption of the aqueous liquid, the particles of the polymer remain insoluble in the aqueous fluid and thus retain their separated particulate state. The superabsorbent polymer can have a water absorbing capacity ranging from 20-2,000 times its own weight but preferably ranging from 50-1,000 times.
Suitable examples of superabsorbent materials include acrylamide/sodium acrylate copolymer; starch/acrylamide/sodium acrylate copolymer; and sodium carboxymethyl cellulose. The non-absorbent fibres may include natural or synthetic fibres, such as polypropylene, polyester, rayon, viscose, cotton, cellulose, cellulose derivatives, or mixtures thereof.
The liquid cleansing compositions may be formulated into a wide variety of personal care cleansing applications, including liquid cleansers, creamy cleansers, gel cleansers, soaps, sanitisers and make-up removers.
One particularly useful composition may include a cleanser capable of removing thick creams, such as diaper rash cream, from the skin of a baby. The preferred liquid cleansing composition is an oil-in-water emulsion, or it may be a suspension or slurry that not only cleanses the body, but also soothes and heals, especially in babies and in the instance of compromised skin conditions, claims the applicant.
4. System and method of complementary day/night children’s skin cream compositions
US Patent 9,125,827
Application No 14/506,081
Granted 8 September 2015
Assignee Prendergast, WS
The patent describes a skin care system of day and night skin cream compositions comprising nutrients and antioxidants for use by children between six months and 18 years of age. The day skin cream composition provides protection from UV radiation and the night skin cream composition contains elevated levels of nutrients and antioxidants.
The day composition is applied topically each day to the face after tooth-brushing, and the night composition is applied topically to the face each night after tooth-brushing.
Day-time formulation ingredients include deionised water, capric triglyceride, shea butter, sunflower seed oil, vegetable glycerin, borage seed oil, cetearyl alcohol and glucoside, glyceryl stearate, xanthan gum, benzyl alcohol, fragrance, vitamin E, aloe vera barbadensis leaf juice, blueberry extract, and the physical sunscreen ingredients, zinc oxide and titanium dioxide.
Except for the sunscreen ingredients and the addition of stearic acid, the night-time formulation includes the same ingredients, although in differing concentrations.
In some embodiments, the night-time formulation also includes sweet almond oil, cucumber extract and açaí berry extract, and may include coffee bean extract.