US Patent No: 4,653,497

Number of patents in Portfolio can not be more than 2000

Crystalline p-dioxanone/glycolide copolymers and surgical devices made therefrom

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Importance

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Abstract

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Copolymers are made by reacting glycolide with a mixture of p-dioxanone monomer and homopolymer. The copolymers are useful in making surgical devices such as surgical sutures.

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First Claim

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Patent Owner(s)

Patent OwnerAddressTotal Patents
ETHICON, INC.SOMERVILLE, NJ1646

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Bezwada, Rao S Whitehouse Station, NJ 159 3344
Newman, Jr Hugh D Chester, NJ 10 379
Shalaby, Shalaby W Anderson, SC 269 3557

Cited Art Landscape

Patent Info (Count) # Cites Year
 
ETHICON, INC. (2)
4,470,416 Copolymers of lactide and/or glycolide with 1,5-dioxepan-2-one 27 1983
4,591,630 Annealed polydioxanone surgical device and method for producing the same 16 1985
 
DAVIS & GECK, INC. (1)
4,300,565 Synthetic polyester surgical articles 124 1980
 
SHERWOOD SERVICES AG (1)
4,243,775 Synthetic polyester surgical articles 141 1978

Patent Citation Ranking

Forward Cite Landscape

Patent Info (Count) # Cites Year
 
United States Surgical Corporation (29)
5,037,429 Method for improving the storage stability of a polymeric braided suture susceptible to hydrolytic degradation and resulting article 26 1990
5,222,978 Packaged synthetic absorbable surgical elements 21 1990
5,226,912 Combined surgical needle-braided suture device 26 1990
5,246,104 Molded suture retainer 23 1991
5,306,289 Braided suture of improved characteristics 23 1991
5,225,520 Absorbable composition 13 1991
5,312,437 Absorbable coating composition and suture coated therewith 16 1992
5,366,756 Method for treating bioabsorbable implant material 66 1992
5,366,081 Packaged synthetic absorbable surgical elements 15 1992
5,391,768 Purification of 1,4-dioxan-2-one by crystallization 1 1993
5,314,989 Absorbable composition 23 1993
5,359,831 Molded suture retainer 24 1993
5,468,252 Packaged synthetic absorbable surgical elements 25 1993
5,391,707 Process for the production of dioxanone 7 1993
5,403,347 Absorbable block copolymers and surgical articles fabricated therefrom 49 1994
5,522,841 Absorbable block copolymers and surgical articles fabricated therefrom 59 1994
5,554,170 Absorbable block copolymers and surgical articles fabricated therefrom 23 1995
5,502,159 Absorbable composition 16 1995
5,585,056 Plasticizers for fibers used to form surgical devices 4 1995
5,626,811 Process of making a monofilament 6 1995
6,005,019 Plasticizers for fibers used to form surgical devices 7 1996
6,191,236 Bioabsorbable suture and method of its manufacture 6 1997
6,494,898 Absorbable copolymers and surgical articles fabricated therefrom 38 1998
6,177,094 Bioabsorbable blends and coating composition containing same 9 1999
6,206,908 Absorbable polymer and surgical articles fabricated therefrom 38 1999
6,165,202 Absorbable polymers and surgical articles fabricated therefrom 31 1999
6,235,869 Absorbable polymers and surgical articles fabricated therefrom 54 1999
7,097,907 Bioabsorbable branched polymers containing units derived from dioxanone and medical/surgical devices manufactured therefrom 3 2003
7,321,008 Bioabsorbable branched polymers end-capped with diketene acetals 0 2006
 
BEZWADA BIOMEDICAL, LLC (17)
7,858,077 Functionalized phenolic esters and amides and polymers therefrom 1 2005
8,318,973 Functionalized sinapic acid and methyl sinapate 1 2006
8,007,526 Difunctionalized aromatic compounds and polymers therefrom 0 2006
7,935,843 Functionalized diphenolics and absorbable polymers therefrom 1 2006
7,671,168 Unsymmetrical aromatic ether diacids and absorbable polymers therefrom 1 2007
8,217,134 Controlled release of biologically active compounds 0 2008
8,026,285 Control release of biologically active compounds from multi-armed oligomers 2 2008
8,048,980 Hydrolysable linkers and cross-linkers for absorbable polymers 2 2008
7,902,319 Unsymmetrical aromatic ether diacids and absorbable polymers therefrom 1 2010
8,372,882 Functionalized phenolic esters and amides and polymers therefrom 0 2010
8,288,505 Functionalized diphenolics and absorbable polymers therefrom 0 2011
8,163,806 Controlled release of biologically active compounds from multi-armed oligomers 0 2011
8,552,139 Controlled release of biologically active compounds 0 2012
8,436,201 Functionalized diphenolics and absorbable polymers therefrom 1 2012
8,802,892 Functionalized phenolic compounds and polymers therefrom 0 2012
8,664,429 Hydrolysable linkers and cross-linkers for absorbable polymers 0 2012
8,802,147 Controlled release of biologically active compounds 0 2013
 
ETHICON, INC. (12)
4,838,267 Glycolide/p-dioxanone block copolymers 31 1988
5,076,807 Random copolymers of p-dioxanone, lactide and/or glycolide as coating polymers for surgical filaments 38 1989
5,007,923 Crystalline copolyesters of amorphous (lactide/glycolide) and p-dioxanone 28 1990
5,019,094 Crystalline copolymers of p-dioxanone and poly(alkylene oxides) 18 1990
5,100,433 Suture coated with a copolymer coating composition 33 1990
5,470,340 Copolymers of (p-dioxanone/glycolide and/or lactide) and p-dioxanone 7 1993
5,611,986 Medical devices containing high inherent viscosity poly(p-dioxanone) 35 1994
5,869,597 Medical devices containing high inherent viscosity poly(p-dioxanone) 3 1995
5,868,788 High-strength, melt-processable, lactade-rich, poly(lactade-co-p-dioxanone) copolymers 5 1997
6,831,149 Polymerization process using mono-and di-functional initiators to prepare fast crystallizing polylactone copolymers 5 2002
6,794,484 Crystallizable polylactone copolymers prepared from mono- and di-functional polymerization initiators 4 2002
7,148,315 Monomer addition techniques to control manufacturing of bioabsorbable copolymers 7 2002
 
GENZYME CORPORATION (3)
6,083,524 Polymerizable biodegradable polymers including carbonate or dioxanone linkages 57 1997
6,177,095 Polymerizable biodegradable polymers including carbonate or dioxanone linkages 54 2000
RE39713 Polymerizable biodegradable polymers including carbonate or dioxanone linkages 4 2003
 
B. BRAUN SURGICAL GMBH (2)
5,695,879 Surgical suture material and method of making and using same 24 1995
6,011,121 Surgical suture material, its use in surgery and process for its production 6 1997
 
BOARD OF TRUSTEES OF MICHIGAN STATE UNIVERSITY (2)
5,717,059 Method for preparing poly-p-dioxanone polymer 1 1995
5,652,331 Method for preparing poly-p-dioxanone polymer 0 1996
 
COOK MEDICAL TECHNOLOGIES LLC (2)
7,582,110 Implantable frame with variable compliance 5 2005
8,128,682 Medical device with tensionably attached remodelable material 1 2010
 
PFIZER INC. (2)
4,916,209 Bioabsorbable polydepsipeptide, preparation and use thereof 26 1987
4,994,551 Bioabsorbable co-polydepsipeptide 9 1989
 
AESCULAP AG (1)
6,053,938 Textile vessel prosthesis, process for its production and apparatus for its production 14 1995
 
Bezwada Biomedical, Inc. (1)
8,409,559 Functionalized drugs and polymers derived therefrom 0 2010
 
BIONX IMPLANTS OY (1)
6,524,345 Surgical implant 33 1999
 
ECOLOGICAL CHEMICAL PRODUCTS (1)
5,420,235 Continuous poly (hydroxy acid) polymerization using a counter-current impeller mixing system 1 1993
 
NATUREWORKS LLC (1)
5,633,342 Method for the synthesis of environmentally degradable block copolymers 19 1995
 
SAGE PRODUCTS, INC. (1)
5,037,950 Bioabsorbable copolymers of polyalkylene carbonate/RHO-dioxanone for sutures and coatings 24 1990
 
SHELL OIL COMPANY (1)
5,777,182 Cobalt-catalyzed process for preparing 1,3-propanidiol 8 1996
 
Other [Check patent profile for assignment information] (1)
5,129,889 Synthetic absorbable epidural catheter 79 1990