http://www.freshpatents.com/Synthetic-resins-or-natural-rubbers----part-of-the-class-520-series-dtnewntc528.php USPTO Class 528 - Synthetic resins or natural rubbers -- part of the class 520 series en-us Mon, 20 May 2013 13:44:45 -0700 1000 Wednesday Thursday Friday Saturday Sunday 141 31 http://www.freshpatents.com/index.php?rss=true http://www.freshpatents.com/images/freshpatentsnav_rss.gif http://www.freshpatents.com/-dt20130516ptan20130123456.php Mon, 20 May 2013 13:44:45 -0700 The invention relates to a method for functionalizing natural fatty substances: According to said method, plant oils including at least two unsaturations and the derivatives thereof, fatty acids including at least one unsaturated compound and the derivatives thereof, and mixtures of same, are reacted with a thiol derivative of formula... http://www.freshpatents.com/-dt20130516ptan20130123457.php Mon, 20 May 2013 13:44:45 -0700 Disclosed is a method for making a low-k, flame-retardant, bi-functional benzoxazine. The method includes the steps of dissolving phosphoric diamine with various functional groups, phenolic adamantane and paraformaldehyde in a solvent at 72° C. to 88° C. for 7 to 9 hours, and cooling and introducing the solution in n-hexane... http://www.freshpatents.com/-dt20130516ptan20130123458.php Mon, 20 May 2013 13:44:45 -0700 The disclosure relates to methods and materials useful for polymerizing a monomer. In one embodiment, for example, the disclosure provides a method for polymerizing a monomer containing a plurality of electrophilic groups, wherein the method comprises contacting the monomer with a nucleophilic reagent in the presence of a guanidine-containing catalyst.... http://www.freshpatents.com/-dt20130516ptan20130123459.php Mon, 20 May 2013 13:44:45 -0700 A method of making an optical film includes providing a film, substantially uniaxially orienting the film, and heat setting the oriented film. The film includes a polymeric material capable of developing birefringence....