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Class Information
Number: 264/DIG.7
Name: Plastic and nonmetallic article shaping or treating: processes > Binding and molding cellular particles
Description:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 5902528 |
Method of making an article from a lightweight cementitious composition |
May. 11, 1999 |
| 5846357 |
Method of making syntactic foam core material |
Dec. 8, 1998 |
| 5800658 |
Method and means by manufacture of a product of expanded polymer |
Sep. 1, 1998 |
| 5736585 |
Moldings for packaging, and process for the production thereof |
Apr. 7, 1998 |
| 5610207 |
Manufacture of low density products containing recycled foam |
Mar. 11, 1997 |
| 5525278 |
Recycling process and apparatus for rigid polyurethane foam |
Jun. 11, 1996 |
| 5290818 |
Flexible polyurethane rebond foam having improved tear resistance and method for the preparation thereof |
Mar. 1, 1994 |
| 5286321 |
System and method for densifying expanded plastic foam materials |
Feb. 15, 1994 |
| 5266396 |
Expanded polystyrene foam articles produced from used polystyrene materials |
Nov. 30, 1993 |
| 5204040 |
Method of making foam material |
Apr. 20, 1993 |
| 5141685 |
Forming shaped articles from orientable polymers and polymer microbeads |
Aug. 25, 1992 |
| RE33986 |
Method of manufacturing fire retardant polystyrene insulating board |
Jul. 7, 1992 |
| 5114981 |
Process and composition for producing flame retardant rebonded foam products |
May. 19, 1992 |
| 5115066 |
Polystyrene having high degree of expandability, and formulation having a highly-expandable polymer therein |
May. 19, 1992 |
| 5114640 |
Time-efficient process for making expanded polymeric products with multipass expansion of polystyrene bead |
May. 19, 1992 |
| 5110836 |
Time-efficient process for making expanded polymeric products with multipass expansion of polystyrene bead |
May. 5, 1992 |
| 5110524 |
Process for making molded polymeric product with multipass expansion of polymer bead with low blowing agent content |
May. 5, 1992 |
| 5110837 |
Process for making molded polymeric product with multipass expansion of polymer bead with low blowing agent content |
May. 5, 1992 |
| 5086078 |
Process for making expanded polymeric product with low level of emission of blowing agent |
Feb. 4, 1992 |
| 5071882 |
Process for the preparation of expandable polymer beads and materials derived therefrom |
Dec. 10, 1991 |
| 5017621 |
Polypropylene resin pre-expanded beads, manufacturing method thereof and expansion-molding method using said beads |
May. 21, 1991 |
| 4995545 |
Method of reinforcing a structure member |
Feb. 26, 1991 |
| 4772441 |
Styrene polymers containing blowing agents |
Sep. 20, 1988 |
| 4769391 |
Reinforcement insert for a structural member and method of making and using the same |
Sep. 6, 1988 |
| 4751249 |
Reinforcement insert for a structural member and method of making and using the same |
Jun. 14, 1988 |
| 4744700 |
Method for filling abandoned mines |
May. 17, 1988 |
| 4735755 |
Method for the preparation of a setting foam material containing plastic-material granules |
Apr. 5, 1988 |
| 4714715 |
Method of forming fire retardant insulating material from plastic foam scrap and the resultant product |
Dec. 22, 1987 |
| 4696776 |
Method of producing polyurethane foams for low stress encapsulation |
Sep. 29, 1987 |
| 4695593 |
Prefoamed propylene polymer-base particles, expansion-molded article produced from said particles and production process of said article |
Sep. 22, 1987 |
| 4681901 |
Neoprene foam of increased continuous volume |
Jul. 21, 1987 |
| 4666646 |
Method of producing high-density PU foam material |
May. 19, 1987 |
| 4644014 |
Foamed insulation and process for producing the same |
Feb. 17, 1987 |
| 4637907 |
Latex dip tooling and method for forming same |
Jan. 20, 1987 |
| 4623584 |
Expandable phenolic resin-coated composite beads, a process for production thereof and a process for molding thereof |
Nov. 18, 1986 |
| 4612229 |
Process for preparing fibrillated films or netlike structures of synthetic polymers |
Sep. 16, 1986 |
| 4608213 |
Method and mold apparatus for molding a padding member |
Aug. 26, 1986 |
| 4607061 |
Building material for building elements, and a method and a system for manufacturing said elements |
Aug. 19, 1986 |
| 4596682 |
Method of manufacturing fire retardant polystyrene insulating board |
Jun. 24, 1986 |
| 4591469 |
Process for making foam-in-form polyurethane foam buns and apparatus therefor |
May. 27, 1986 |
| 4547331 |
Method for manufacturing light-weight shaped concrete articles, such as block-shaped building elements |
Oct. 15, 1985 |
| 4517308 |
Method of producing a sorptive body, particularly for eliminating odors, air freshening, etc. and the resultant product |
May. 14, 1985 |
| 4447382 |
Apparatus for making foam carpet pad |
May. 8, 1984 |
| 4443286 |
Method of making cushion material from foam slabs and comminuted soft foam scrap |
Apr. 17, 1984 |
| 4327046 |
Method for producing a rigid, shaped mass support system |
Apr. 27, 1982 |
| 4323527 |
Method for making light weight concrete building elements |
Apr. 6, 1982 |
| 4318361 |
Lightweight concrete marine float and method of constructing same |
Mar. 9, 1982 |
| 4307200 |
Composite foamed material |
Dec. 22, 1981 |
| 4306395 |
Lightweight cementitious product and method for making same |
Dec. 22, 1981 |
| 4303602 |
Process for the production of composite foamed material |
Dec. 1, 1981 |
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