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Process for preparing finely divided polymers
Patent #: 3981957
Issued on: 09/21/1976
Inventor: VAN Brederode , et al.
Method of preparing micron size particles of solid polymers
Patent #: 4100236
Issued on: 07/11/1978
Inventor: Gordon , et al.
Method of making a cellulose acetate low density microcellular foam
Patent #: 4118449
Issued on: 10/03/1978
Inventor: Rinde
Device and method for treating and healing a newly created bone void
Patent #: 4186448
Issued on: 02/05/1980
Inventor: Brekke
Process of preparing finely divided polyolefin resins
Patent #: 4200601
Issued on: 04/29/1980
Inventor: McClain
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Apparatus and method for making small spheres
Patent #: 4256677
Issued on: 03/17/1981
Inventor: Lee
Apparatus for producing spherical particles and fibers with a specially fixed size from melts
Patent #: 4315720
Issued on: 02/16/1982
Inventor: Ueda , et al.
Process for the preparation of finely divided thermoplastic resin
Patent #: 4329304
Issued on: 05/11/1982
Inventor: McClain
Process for the preparation of finely divided thermoplastic resin
Patent #: 4336210
Issued on: 06/22/1982
Inventor: McClain
Oligomer pellets of ethylene terephthalate
Patent #: 4340550
Issued on: 07/20/1982
Inventor: Ho
Low density, microcellular foams, preparation, and articles
Patent #: 4430451
Issued on: 02/07/1984
Inventor: Young , et al.
Reproducible production of shaped articles of various geometries from polymer dispersions, melts or solutions
Patent #: 4485055
Issued on: 11/27/1984
Inventor: Bung , et al.
Microporous products
Patent #: 4519909
Issued on: 05/28/1985
Inventor: Castro
Polymeric acrylic prothesis
Patent #: 4535485
Issued on: 08/20/1985
Inventor: Ashman , et al.
Process of making implantable prosthesis material of modified polymeric acrylic (PMMA) beads coated with PHEMA and barium sulfate
Patent #: 4547390
Issued on: 10/15/1985
Inventor: Ashman , et al.
Repair material for use with bones
Patent #: 4643735
Issued on: 02/17/1987
Inventor: Hayes , et al.
Apparatus for producing rapidly quenched metal particles
Patent #: 4648820
Issued on: 03/10/1987
Inventor: Scruggs , et al.
Porous spherical cellulose acetate particles
Patent #: 4663447
Issued on: 05/05/1987
Inventor: Yamazaki , et al.
Low density microcellular foams
Patent #: 4673695
Issued on: 06/16/1987
Inventor: Aubert , et al.
Method for coating particles or liquid droplets
Patent #: 4675140
Issued on: 06/23/1987
Inventor: Sparks , et al.
Ceramic process and products
Patent #: 4693986
Issued on: 09/15/1987
Inventor: Vit , et al.
Method and apparatus for the rapid solidification of molten material in particulate form
Patent #: 4701289
Issued on: 10/20/1987
Inventor: Liles , et al.
Method of making supercritical fluid molecular spray films, powder and fibers
Patent #: 4734227
Issued on: 03/29/1988
Inventor: Smith
Process for purifying resorbable polyesters
Patent #: 4810775
Issued on: 03/07/1989
Inventor: Bendix , et al.
Method of producing microspheres
Patent #: 4822534
Issued on: 04/18/1989
Inventor: Lencki , et al.
Method for producing small, spherical polymer particles
Patent #: 4822535
Issued on: 04/18/1989
Inventor: Ekman , et al.
Controlled release formulating employing resilient microbeads
Patent #: 4873091
Issued on: 10/10/1989
Inventor: Jankower, et al.
Process for preparation of microspheres
Patent #: 4933105
Issued on: 06/12/1990
Inventor: Fong
Process for the preparation of porous polymer beads
Patent #: 4940734
Issued on: 07/10/1990
Inventor: Ley, et al.
Monodisperse, polymeric microspheres produced by irradiation of slowly thawing frozen drops
Patent #: 4981625
Issued on: 01/01/1991
Inventor: Rhim, et al.
Article made of lactic acid polymer capable of being employed particularly as a biodegradable prosthesis and process for its manufacture
Patent #: 5007939
Issued on: 04/16/1991
Inventor: Delcommune, et al.
Method of making uniform polymer particles
Patent #: 5015423
Issued on: 05/14/1991
Inventor: Eguchi, et al.
Pre-foamed beads of polyethylene base resin
Patent #: 5015667
Issued on: 05/14/1991
Inventor: Yoshimura, et al.
Method for granulation
Patent #: 5019302
Issued on: 05/28/1991
Inventor: Sparks, et al.
Very low temperature casting of controlled release microspheres
Patent #: 5019400
Issued on: 05/28/1991
Inventor: Gombotz, et al.
Process for the production of spherical particles of ceramics
Patent #: 5030391
Issued on: 07/09/1991
Inventor: Sumita, et al.
Process for making cellulose ester microparticles
Patent #: 5047180
Issued on: 09/10/1991
Inventor: Steiner, et al.
Polyethylene terephthalate molding resin blends Patent #: 5047450
Issued on: 09/10/1991
Inventor: Wilder
February 12, 2011. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
