US4737544A — Biospecific polymers

Claim 1

Independent Claim 53 words

A biospecific polymer comprising: (a) a biocompatible terpolymer support comprising methyl acrylamidoglycolate methyl ether, hydroxyethyl methacrylate and methyl methacrylate; and (b) a biological or biologicals immobilized on said terpolymer support via chemical bonding and wherein said biological or biologicals retain their reactivity for adsorbing specific pathological effectors or specific groups of pathological effectors.

Claim 2

Dependent Claim 53 words

A biospecific polymer comprising: (a) a biocompatible terpolymer support comprising methyl acrylamidoglycolate methyl ether, hydroxyethyl methacrylate and methyl methacrylate; and (b) a biological or biologicals immobilized on said terpolymer support via chemical bonding and wherein said biological or biologicals retain their reactivity for adsorbing specific pathological effectors or specific groups of pathological effectors.

Claim 3

Dependent Claim 61 words

A biospecific polymer comprising: (a) a biocompatible terpolymer support comprising methyl acrylamidoglycolate methyl ether, hydroxyethyl methacrylate and methyl methacrylate; (b) a spacer bonded to said biocompatible terpolymer support; and (c) a biological or biologicals immobilized on said spacer via chemical bonding and wherein said biological or biologicals retain their reactivity for adsorbing specific pathological effectors or specific groups of pathological effectors.

Claim 4

Dependent Claim 61 words

A biospecific polymer comprising: (a) a biocompatible terpolymer support comprising methyl acrylamidoglycolate methyl ether, hydroxyethyl methacrylate and methyl methacrylate; (b) a spacer bonded to said biocompatible terpolymer support; and (c) a biological or biologicals immobilized on said spacer via chemical bonding and wherein said biological or biologicals retain their reactivity for adsorbing specific pathological effectors or specific groups of pathological effectors.

Claim 5

Dependent Claim 25 words

A biospecific polymer as claimed in claims 1 or 2 further characterized in that said terpolymer support is fixed to a mechanically stable support member.

Claim 6

Dependent Claim 38 words

A biospecific polymer as claimed in claim 3 wherein said mechanically stable support member is selected from the group consisting of polyester fiber, microporous polyolefins, cotton cloth, polystyrene, polycarbonate, polyphenylene oxide, glass beads, reticulated polyurethanes and combinations thereof.

Claim 7

Dependent Claim 58 words

A biospecific polymer as claimed in claims 1 or 2 wherein said biologicals are selected from the group consisting of acetylcholine receptor proteins, histocompatibility antigens, ribonucleic acids, basement membrane proteins, genetically engineered proteins, immunoglobulin classes and subclasses, myeloma protein receptors, insulin complement components, myelin proteins, hormones and their receptor components, vitamins and their receptor components or combinations thereof.

Claim 8

Dependent Claim 48 words

A biospecific polymer comprising: (a) a biocompatible terpolymer support comprising methyl acrylamidoglycolate methyl ether, hydroxyethyl methacrylate and methyl methacrylate; and (b) a biological or biologicals immobilized on said terpolymer support via chemical bonding and wherein said biological or biologicals retain their reactivity for adsorbing specific body fluid components.

Claim 9

Dependent Claim 48 words

A biospecific polymer comprising: (a) a biocompatible terpolymer support comprising methyl acrylamidoglycolate methyl ether, hydroxyethyl methacrylate and methyl methacrylate; and (b) a biological or biologicals immobilized on said terpolymer support via chemical bonding and wherein said biological or biologicals retain their reactivity for adsorbing specific body fluid components.

Claim 10

Dependent Claim 56 words

A biospecific polymer comprising: (a) a biocompatible terpolymer support comprising methyl acrylamidoglycolate methyl ether, hydroxyethyl methacrylate and methyl methacrylate; (b) a spacer bonded to said biocompatible terpolymer support; and (c) a biological or biologicals immobilized on said spacer via chemical bonding and wherein said biological or biologicals retain their reactivity for adsorbing specific body fluid components.

Claim 11

Dependent Claim 56 words

A biospecific polymer comprising: (a) a biocompatible terpolymer support comprising methyl acrylamidoglycolate methyl ether, hydroxyethyl methacrylate and methyl methacrylate; (b) a spacer bonded to said biocompatible terpolymer support; and (c) a biological or biologicals immobilized on said spacer via chemical bonding and wherein said biological or biologicals retain their reactivity for adsorbing specific body fluid components.

Claim 12

Dependent Claim 31 words

A biospecific polymer as claimed in claims 1 or 2 wherein said biological is a genetically engineered biosynthetic protein used to remove immune components which are associated with immune complex diseases.

Claim 13

Dependent Claim 53 words

A biospecific polymer as claimed in claim 2 wherein said spacer is selected from the group consisting of C 2 to C 12 diamines, glutaraldehyde, 1,4-cyclohexanedicarboxylic acid, ethylenediamine tetraacetic acid, triethylene glycol, 1,4-butanediol diglycidyl ether, methylene-p-phenyl diisocyanate, 6-aminocaproic acid, p-nitrobenzoyl chloride, 1,2-epoxy-3-(p-nitrophenoxy) propane, aminopropyltriethoxy-silane, succinic anhydride, homoapteine thiolactone and albumin and combinations thereof.

Claim 14

Dependent Claim 64 words

A therapeutic treatment of diseases which comprises passing a diseased patient's body fluid in contact with a biospecific polymer comprising a biocompatible terpolymer support comprising methyl acrylamidoglycolate methyl ether, hydroxyethyl methacrylate and methyl methacrylate having immobilized reactive biologicals where said biologicals adsorb specific pathological effectors or groups of pathological effectors associated with said patient's disease state and returning said body fluid to said patient.

Claim 15

Dependent Claim 64 words

A therapeutic treatment of diseases which comprises passing a diseased patient's body fluid in contact with a biospecific polymer comprising a biocompatible terpolymer support comprising methyl acrylamidoglycolate methyl ether, hydroxyethyl methacrylate and methyl methacrylate having immobilized reactive biologicals where said biologicals adsorb specific pathological effectors or groups of pathological effectors associated with said patient's disease state and returning said body fluid to said patient.

Claim 16

Dependent Claim 76 words

A therapeutic treatment of diseases which comprises passing a diseased patient's body fluid in contact with a biospecific polymer comprising a biocompatible terpolymer support comprising methyl acrylamidoglycolate methyl ether, hydroxyethyl methacrylate and methyl methacrylate, a spacer attached to said biocompatible terpolymer support and a biological immobilized on said spacer wherein said biologicals adsorb specific pathological effectors or specific groups of pathological effectors associated with said patient's disease state and returning said body fluid to said patient.

Claim 17

Dependent Claim 76 words

A therapeutic treatment of diseases which comprises passing a diseased patient's body fluid in contact with a biospecific polymer comprising a biocompatible terpolymer support comprising methyl acrylamidoglycolate methyl ether, hydroxyethyl methacrylate and methyl methacrylate, a spacer attached to said biocompatible terpolymer support and a biological immobilized on said spacer wherein said biologicals adsorb specific pathological effectors or specific groups of pathological effectors associated with said patient's disease state and returning said body fluid to said patient.

Claim 18

Dependent Claim 74 words

A therapeutic treatment of diseases which comprises passing a body fluid which is to be administered to a patient, prior to said body fluid being administered to said patient, in contact with a biospecific polymer comprising a biocompatible terpolymer support comprising methyl acrylamidoglycolate methyl ether, hydroxyethyl methacrylate and methyl methacrylate, having immobilized reactive biologicals, thereby adsorbing and removing specific pathological effectors from said body fluid, and then introducing said body fluid to said patient.

Claim 19

Dependent Claim 74 words

A therapeutic treatment of diseases which comprises passing a body fluid which is to be administered to a patient, prior to said body fluid being administered to said patient, in contact with a biospecific polymer comprising a biocompatible terpolymer support comprising methyl acrylamidoglycolate methyl ether, hydroxyethyl methacrylate and methyl methacrylate, having immobilized reactive biologicals, thereby adsorbing and removing specific pathological effectors from said body fluid, and then introducing said body fluid to said patient.

Claim 20

Dependent Claim 83 words

A therapeutic treatment of diseases which comprises passing a body fluid which is to be administered to a patient, prior to said body fluid being administered to said patient, in contact with a biospecific polymer comprising a biocompatible terpolymer support comprising methyl acrylamidoglycolate methyl ether, hydroxyethyl methacrylate and methyl methacrylate, a spacer attached to said biocompatible terpolymer support and a biological immobilized on said spacer, thereby removing specific pathological effectors from said body fluid, and then introducing said body fluid to said patient.

Claim 21

Dependent Claim 83 words

A therapeutic treatment of diseases which comprises passing a body fluid which is to be administered to a patient, prior to said body fluid being administered to said patient, in contact with a biospecific polymer comprising a biocompatible terpolymer support comprising methyl acrylamidoglycolate methyl ether, hydroxyethyl methacrylate and methyl methacrylate, a spacer attached to said biocompatible terpolymer support and a biological immobilized on said spacer, thereby removing specific pathological effectors from said body fluid, and then introducing said body fluid to said patient.

Claim 22

Dependent Claim 42 words

A therapeutic treatment as claimed in claims 10, 11, 12 or 13 wherein two or more biospecific polymers each having the same or different reactive biologicals or groups of biologicals immobilized thereon are utilized in series to remove said specific pathological effectors.

Claim 23

Dependent Claim 34 words

The therapeutic method as recited in claims 10, 11, 12 or 13 wherein the body fluid to be treated is selected from the group consisting of blood, whole blood, blood plasma, and cerebrospinal fluid.

Claim 24

Independent Claim 55 words

A method of harvesting components from body fluids which comprises passing a body fluid in contact with a biospecific polymer comprising methyl acrylamidoglycolate methyl ether, hydroxyethyl methacrylate and methyl methacrylate, and having immobilized thereon reactive biologicals specific for the desired body fluid component to be harvested, thereby adsorbing the desired component from said body fluid.

Claim 25

Independent Claim 55 words

A method of harvesting components from body fluids which comprises passing a body fluid in contact with a biospecific polymer comprising methyl acrylamidoglycolate methyl ether, hydroxyethyl methacrylate and methyl methacrylate, and having immobilized thereon reactive biologicals specific for the desired body fluid component to be harvested, thereby adsorbing the desired component from said body fluid.

Annuity Stage	Window Opens	Payment Deadline	Surcharge Period Until	Estimated Fee	Status
3.5 Years (Year 4)	1991-04-12	1991-10-12	1992-04-12	$2000.00	Window Closed / Lapsed
7.5 Years (Year 8)	1995-04-12	1995-10-12	1996-04-12	$3760.00	Window Closed / Lapsed
11.5 Years (Year 12)	1999-04-12	1999-10-12	2000-04-12	$7700.00	Window Closed / Lapsed

Biospecific polymers

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