Synthetic Resins (class 520, Subclass 1)
- Process of regenerating (Class 521/26)
- Membrane or process of preparing (Class 521/27)
- Previously formed solid ion-exchange polymer admixed with nonreactive material or ion-exchange polymer (Class 521/28)
- Polymer characterized by defined size or shape other than bead or pearl (Class 521/29)
- Chemically treated solid polymer (Class 521/30)
- From ethylenically unsaturated reactant only (Class 521/38)
- From aldehyde or derivative (Class 521/39)
- Process of treating scrap or waste product containing at least one polymer derived from ethylenic unsaturated monomers only (Class 521/40.5)
- Treating polysiloxane (Class 521/47.5)
- Treating polyester (Class 521/48)
- Treating polyurethane, polyurea (excluding urea-formaldehyde polymers), polyisocyanurate or polycarbodiimide (Class 521/49)
- Treating polycarbonamide (Class 521/49.8)
- Compositions to be polymerized by wave energy in order to prepare a cellular product wherein said composition contains a rate-affecting material; or compositions to be modified by wave energy to prepare a cellular product wherein said composition contains a rate-affecting material; or processes of preparing or treating a solid polymer utilizing wave energy in order to prepare a cellular product (Class 521/50.5)
- Processes of preparing a cellular product having an integral skin (Class 521/51)
- Reticulated cellular product or processes of preparing a reticulated cellular product (Class 521/52)
- Treating a cellular solid polymer by adding a material thereto which reacts with the polymer or forms a composition therewith, or products of said treating process (Class 521/53)
- Particle which is expandible, process of preparing an expandible particle, or process of expanding a particle to form a cellular product (Class 521/56)
- Process of preparing a cellular product by removal of material from a solid polymer-containing matrix without expanding the matrix; composition which is nonexpandible and is designed to form a cellular product by said process; or process of preparing said composition (Class 521/61)
- Process of forming a cellular product from an aqueous latex, aqueous dispersion, or aqueous emulsion containing a solid polymer; process of preparing a latex, dispersion, or emulsion containing a solid polymer which is designed to be formed into a cellular product, or composition thereof (Class 521/65)
- Process of preparing a cellular product of a plastisol of a solid polymer derived solely from ethylenically unsaturated monomers; forming a plastisol of a solid polymer derived solely from an ethylenically unsaturated monomer which is designed to be formed into a cellular product, or composition thereof (Class 521/73)
- Preparing a cellular product utilizing a stated ingredient which is surface coated or is a discrete solid particle containing a fluid encapsulated therein, processes of forming an expandible composition, containing said stated ingredient or composition therefrom (Class 521/76)
- Preparing a cellular product by decomposition of a solid polymer; or process of forming a composition containing a solid polymer which decomposes so as to subsequently form a cellular polymer, or composition therefrom (Class 521/77)
- Preparing a cellular product by spraying a solid polymer containing material (Class 521/78)
- Extruding a solid polymer containing material to form a cellular product (Class 521/79)
- Process of forming a cellular product subsequent to solid polymer formation in the presence of a stated ingredient, noncellular composition capable of forming a cellular product and containing a stated ingredient, or process of preparing same (Class 521/82)
- Cellular product formation prior to or during solid polymer formation in the presence of a stated ingredient other than water (Class 521/99)
- Cellular product derived from two or more solid polymers or from at least one solid polymer and at least one polymer-forming system (Class 521/134)
- Cellular vinyl alcohol polymer (Class 521/141)
- Cellular product derived from ethylenically unsaturated reactants only (Class 521/142)
- Cellular polymer derived from tar, pitch, bitumen, asphalt, or plant material of unknown constitution, e.g., nut shell liquor, etc. (Class 521/151)
- Cellular product derived from boron containing reactant (Class 521/152)
- Cellular product derived from aluminum or heavy metal containing reactant (Class 521/153)
- Cellular product derived from silicon containing reactant (Class 521/154)
- Cellular product derived from a -N=C=X containing reactant wherein X is a chalcogen atom (Class 521/155)
- Cellular product derived from a reactant containing two or more three membered heterocyclic rings wherein two of the ring members are carbon atoms and the remaining ring member is a chalcogen atom (Class 521/178)
- Cellular product derived from a phenol, phenol ether, or inorganic phenolate reactant (Class 521/180)
- Cellular product derived from a -C-C(=X)-X containing reactant wherein X is a chalcogen atom, e.g., phthalic acid, etc. (Class 521/182)
- Cellular product derived from reactant which is an aldehyde or aldehyde derivative (Class 521/186)
- Cellular product derived from reactant containing a carbon to chalcogen bond (Class 521/189)
There are no patents to show for this class.
